20408515920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3041}}^1$

素因数の和:3315

約数の個数: 320

約数和(自身を含む): 76045132800

約数和(自身を除く): 55636616880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 239, 240, 260, 270, 312, 351, 360, 390, 432, 468, 478, 520, 540, 585, 624, 702, 717, 720, 780, 936, 956, 1040, 1080, 1170, 1195, 1404, 1434, 1560, 1755, 1872, 1912, 2151, 2160, 2340, 2390, 2808, 2868, 3041, 3107, 3120, 3510, 3585, 3824, 4302, 4680, 4780, 5616, 5736, 6082, 6214, 6453, 7020, 7170, 8604, 9123, 9321, 9360, 9560, 10755, 11472, 12164, 12428, 12906, 14040, 14340, 15205, 15535, 17208, 18246, 18642, 19120, 21510, 24328, 24856, 25812, 27369, 27963, 28080, 28680, 30410, 31070, 32265, 34416, 36492, 37284, 39533, 43020, 45615, 46605, 48656, 49712, 51624, 54738, 55926, 57360, 60820, 62140, 64530, 72984, 74568, 79066, 82107, 83889, 86040, 91230, 93210, 103248, 109476, 111852, 118599, 121640, 124280, 129060, 136845, 139815, 145968, 149136, 158132, 164214, 167778, 172080, 182460, 186420, 197665, 218952, 223704, 237198, 243280, 248560, 258120, 273690, 279630, 316264, 328428, 335556, 355797, 364920, 372840, 395330, 410535, 419445, 437904, 447408, 474396, 516240, 547380, 559260, 592995, 632528, 656856, 671112, 711594, 726799, 729840, 745680, 790660, 821070, 838890, 948792, 1067391, 1094760, 1118520, 1185990, 1313712, 1342224, 1423188, 1453598, 1581320, 1642140, 1677780, 1778985, 1897584, 2134782, 2180397, 2189520, 2237040, 2371980, 2846376, 2907196, 3162640, 3284280, 3355560, 3557970, 3633995, 4269564, 4360794, 4743960, 5336955, 5692752, 5814392, 6541191, 6568560, 6711120, 7115940, 7267990, 8539128, 8721588, 9448387, 9487920, 10673910, 10901985, 11628784, 13082382, 14231880, 14535980, 17078256, 17443176, 18896774, 19623573, 21347820, 21803970, 26164764, 28345161, 28463760, 29071960, 32705955, 34886352, 37793548, 39247146, 42695640, 43607940, 47241935, 52329528, 56690322, 58143920, 65411910, 75587096, 78494292, 85035483, 85391280, 87215880, 94483870, 98117865, 104659056, 113380644, 130823820, 141725805, 151174192, 156988584, 170070966, 174431760, 188967740, 196235730, 226761288, 255106449, 261647640, 283451610, 313977168, 340141932, 377935480, 392471460, 425177415, 453522576, 510212898, 523295280, 566903220, 680283864, 755870960, 784942920, 850354830, 1020425796, 1133806440, 1275532245, 1360567728, 1569885840, 1700709660, 2040851592, 2267612880, 2551064490, 3401419320, 4081703184, 5102128980, 6802838640, 10204257960, 20408515920]

約数ペア:

[(1, 20408515920), (2, 10204257960), (3, 6802838640), (4, 5102128980), (5, 4081703184), (6, 3401419320), (8, 2551064490), (9, 2267612880), (10, 2040851592), (12, 1700709660), (13, 1569885840), (15, 1360567728), (16, 1275532245), (18, 1133806440), (20, 1020425796), (24, 850354830), (26, 784942920), (27, 755870960), (30, 680283864), (36, 566903220), (39, 523295280), (40, 510212898), (45, 453522576), (48, 425177415), (52, 392471460), (54, 377935480), (60, 340141932), (65, 313977168), (72, 283451610), (78, 261647640), (80, 255106449), (90, 226761288), (104, 196235730), (108, 188967740), (117, 174431760), (120, 170070966), (130, 156988584), (135, 151174192), (144, 141725805), (156, 130823820), (180, 113380644), (195, 104659056), (208, 98117865), (216, 94483870), (234, 87215880), (239, 85391280), (240, 85035483), (260, 78494292), (270, 75587096), (312, 65411910), (351, 58143920), (360, 56690322), (390, 52329528), (432, 47241935), (468, 43607940), (478, 42695640), (520, 39247146), (540, 37793548), (585, 34886352), (624, 32705955), (702, 29071960), (717, 28463760), (720, 28345161), (780, 26164764), (936, 21803970), (956, 21347820), (1040, 19623573), (1080, 18896774), (1170, 17443176), (1195, 17078256), (1404, 14535980), (1434, 14231880), (1560, 13082382), (1755, 11628784), (1872, 10901985), (1912, 10673910), (2151, 9487920), (2160, 9448387), (2340, 8721588), (2390, 8539128), (2808, 7267990), (2868, 7115940), (3041, 6711120), (3107, 6568560), (3120, 6541191), (3510, 5814392), (3585, 5692752), (3824, 5336955), (4302, 4743960), (4680, 4360794), (4780, 4269564), (5616, 3633995), (5736, 3557970), (6082, 3355560), (6214, 3284280), (6453, 3162640), (7020, 2907196), (7170, 2846376), (8604, 2371980), (9123, 2237040), (9321, 2189520), (9360, 2180397), (9560, 2134782), (10755, 1897584), (11472, 1778985), (12164, 1677780), (12428, 1642140), (12906, 1581320), (14040, 1453598), (14340, 1423188), (15205, 1342224), (15535, 1313712), (17208, 1185990), (18246, 1118520), (18642, 1094760), (19120, 1067391), (21510, 948792), (24328, 838890), (24856, 821070), (25812, 790660), (27369, 745680), (27963, 729840), (28080, 726799), (28680, 711594), (30410, 671112), (31070, 656856), (32265, 632528), (34416, 592995), (36492, 559260), (37284, 547380), (39533, 516240), (43020, 474396), (45615, 447408), (46605, 437904), (48656, 419445), (49712, 410535), (51624, 395330), (54738, 372840), (55926, 364920), (57360, 355797), (60820, 335556), (62140, 328428), (64530, 316264), (72984, 279630), (74568, 273690), (79066, 258120), (82107, 248560), (83889, 243280), (86040, 237198), (91230, 223704), (93210, 218952), (103248, 197665), (109476, 186420), (111852, 182460), (118599, 172080), (121640, 167778), (124280, 164214), (129060, 158132), (136845, 149136), (139815, 145968)]