77561820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 297077760

約数和(自身を除く): 219515940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 71, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 142, 153, 170, 180, 189, 204, 210, 213, 238, 252, 255, 270, 284, 289, 306, 315, 340, 355, 357, 378, 420, 426, 459, 476, 497, 510, 540, 578, 595, 612, 630, 639, 710, 714, 756, 765, 852, 867, 918, 945, 994, 1020, 1065, 1071, 1156, 1190, 1207, 1260, 1278, 1420, 1428, 1445, 1491, 1530, 1734, 1785, 1836, 1890, 1917, 1988, 2023, 2130, 2142, 2295, 2380, 2414, 2485, 2556, 2601, 2890, 2982, 3060, 3195, 3213, 3468, 3570, 3621, 3780, 3834, 4046, 4260, 4284, 4335, 4473, 4590, 4828, 4970, 5202, 5355, 5780, 5964, 6035, 6069, 6390, 6426, 7140, 7242, 7455, 7668, 7803, 8092, 8449, 8670, 8946, 9180, 9585, 9940, 10115, 10404, 10710, 10863, 12070, 12138, 12780, 12852, 13005, 13419, 14484, 14910, 15606, 16065, 16898, 17340, 17892, 18105, 18207, 19170, 20230, 20519, 21420, 21726, 22365, 24140, 24276, 25347, 26010, 26838, 29820, 30345, 31212, 32130, 32589, 33796, 36210, 36414, 38340, 39015, 40460, 41038, 42245, 43452, 44730, 50694, 52020, 53676, 54315, 54621, 60690, 61557, 64260, 65178, 67095, 72420, 72828, 76041, 78030, 82076, 84490, 89460, 91035, 101388, 102595, 108630, 109242, 121380, 123114, 126735, 130356, 134190, 143633, 152082, 156060, 162945, 168980, 182070, 184671, 205190, 217260, 218484, 228123, 246228, 253470, 268380, 273105, 287266, 304164, 307785, 325890, 364140, 369342, 380205, 410380, 430899, 456246, 506940, 546210, 554013, 574532, 615570, 651780, 718165, 738684, 760410, 861798, 912492, 923355, 1092420, 1108026, 1140615, 1231140, 1292697, 1436330, 1520820, 1723596, 1846710, 2154495, 2216052, 2281230, 2585394, 2770065, 2872660, 3693420, 3878091, 4308990, 4562460, 5170788, 5540130, 6463485, 7756182, 8617980, 11080260, 12926970, 15512364, 19390455, 25853940, 38780910, 77561820]

約数ペア:

[(1, 77561820), (2, 38780910), (3, 25853940), (4, 19390455), (5, 15512364), (6, 12926970), (7, 11080260), (9, 8617980), (10, 7756182), (12, 6463485), (14, 5540130), (15, 5170788), (17, 4562460), (18, 4308990), (20, 3878091), (21, 3693420), (27, 2872660), (28, 2770065), (30, 2585394), (34, 2281230), (35, 2216052), (36, 2154495), (42, 1846710), (45, 1723596), (51, 1520820), (54, 1436330), (60, 1292697), (63, 1231140), (68, 1140615), (70, 1108026), (71, 1092420), (84, 923355), (85, 912492), (90, 861798), (102, 760410), (105, 738684), (108, 718165), (119, 651780), (126, 615570), (135, 574532), (140, 554013), (142, 546210), (153, 506940), (170, 456246), (180, 430899), (189, 410380), (204, 380205), (210, 369342), (213, 364140), (238, 325890), (252, 307785), (255, 304164), (270, 287266), (284, 273105), (289, 268380), (306, 253470), (315, 246228), (340, 228123), (355, 218484), (357, 217260), (378, 205190), (420, 184671), (426, 182070), (459, 168980), (476, 162945), (497, 156060), (510, 152082), (540, 143633), (578, 134190), (595, 130356), (612, 126735), (630, 123114), (639, 121380), (710, 109242), (714, 108630), (756, 102595), (765, 101388), (852, 91035), (867, 89460), (918, 84490), (945, 82076), (994, 78030), (1020, 76041), (1065, 72828), (1071, 72420), (1156, 67095), (1190, 65178), (1207, 64260), (1260, 61557), (1278, 60690), (1420, 54621), (1428, 54315), (1445, 53676), (1491, 52020), (1530, 50694), (1734, 44730), (1785, 43452), (1836, 42245), (1890, 41038), (1917, 40460), (1988, 39015), (2023, 38340), (2130, 36414), (2142, 36210), (2295, 33796), (2380, 32589), (2414, 32130), (2485, 31212), (2556, 30345), (2601, 29820), (2890, 26838), (2982, 26010), (3060, 25347), (3195, 24276), (3213, 24140), (3468, 22365), (3570, 21726), (3621, 21420), (3780, 20519), (3834, 20230), (4046, 19170), (4260, 18207), (4284, 18105), (4335, 17892), (4473, 17340), (4590, 16898), (4828, 16065), (4970, 15606), (5202, 14910), (5355, 14484), (5780, 13419), (5964, 13005), (6035, 12852), (6069, 12780), (6390, 12138), (6426, 12070), (7140, 10863), (7242, 10710), (7455, 10404), (7668, 10115), (7803, 9940), (8092, 9585), (8449, 9180), (8670, 8946)]