389221560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:255

約数の個数: 288

約数和(自身を含む): 1571300640

約数和(自身を除く): 1182079080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 109, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 218, 234, 252, 260, 273, 280, 312, 315, 327, 360, 364, 390, 420, 436, 455, 468, 504, 520, 545, 546, 585, 630, 654, 728, 763, 780, 819, 840, 872, 910, 936, 981, 1090, 1092, 1170, 1260, 1308, 1365, 1417, 1526, 1560, 1635, 1638, 1820, 1962, 2180, 2184, 2289, 2340, 2520, 2616, 2730, 2834, 3052, 3270, 3276, 3640, 3815, 3924, 4095, 4251, 4360, 4578, 4680, 4905, 5460, 5668, 6104, 6540, 6552, 6867, 7085, 7630, 7848, 8190, 8502, 9156, 9810, 9919, 10920, 11336, 11445, 11881, 12753, 13080, 13734, 14170, 15260, 16380, 17004, 18312, 19620, 19838, 21255, 22890, 23762, 25506, 27468, 28340, 29757, 30520, 32760, 34008, 34335, 35643, 39240, 39676, 42510, 45780, 47524, 49595, 51012, 54936, 56680, 59405, 59514, 63765, 68670, 71286, 79352, 83167, 85020, 89271, 91560, 95048, 99190, 102024, 106929, 118810, 119028, 127530, 137340, 142572, 148785, 154453, 166334, 170040, 178215, 178542, 198380, 213858, 237620, 238056, 249501, 255060, 274680, 285144, 297570, 308906, 332668, 356430, 357084, 396760, 415835, 427716, 446355, 463359, 475240, 499002, 510120, 534645, 595140, 617812, 665336, 712860, 714168, 748503, 772265, 831670, 855432, 892710, 926718, 998004, 1069290, 1081171, 1190280, 1235624, 1247505, 1390077, 1425720, 1497006, 1544530, 1663340, 1785420, 1853436, 1996008, 2138580, 2162342, 2316795, 2495010, 2780154, 2994012, 3089060, 3243513, 3326680, 3570840, 3706872, 3742515, 4277160, 4324684, 4633590, 4990020, 5405855, 5560308, 5988024, 6178120, 6487026, 6950385, 7485030, 8649368, 9267180, 9730539, 9980040, 10811710, 11120616, 12974052, 13900770, 14970060, 16217565, 18534360, 19461078, 21623420, 25948104, 27801540, 29940120, 32435130, 38922156, 43246840, 48652695, 55603080, 64870260, 77844312, 97305390, 129740520, 194610780, 389221560]

約数ペア:

[(1, 389221560), (2, 194610780), (3, 129740520), (4, 97305390), (5, 77844312), (6, 64870260), (7, 55603080), (8, 48652695), (9, 43246840), (10, 38922156), (12, 32435130), (13, 29940120), (14, 27801540), (15, 25948104), (18, 21623420), (20, 19461078), (21, 18534360), (24, 16217565), (26, 14970060), (28, 13900770), (30, 12974052), (35, 11120616), (36, 10811710), (39, 9980040), (40, 9730539), (42, 9267180), (45, 8649368), (52, 7485030), (56, 6950385), (60, 6487026), (63, 6178120), (65, 5988024), (70, 5560308), (72, 5405855), (78, 4990020), (84, 4633590), (90, 4324684), (91, 4277160), (104, 3742515), (105, 3706872), (109, 3570840), (117, 3326680), (120, 3243513), (126, 3089060), (130, 2994012), (140, 2780154), (156, 2495010), (168, 2316795), (180, 2162342), (182, 2138580), (195, 1996008), (210, 1853436), (218, 1785420), (234, 1663340), (252, 1544530), (260, 1497006), (273, 1425720), (280, 1390077), (312, 1247505), (315, 1235624), (327, 1190280), (360, 1081171), (364, 1069290), (390, 998004), (420, 926718), (436, 892710), (455, 855432), (468, 831670), (504, 772265), (520, 748503), (545, 714168), (546, 712860), (585, 665336), (630, 617812), (654, 595140), (728, 534645), (763, 510120), (780, 499002), (819, 475240), (840, 463359), (872, 446355), (910, 427716), (936, 415835), (981, 396760), (1090, 357084), (1092, 356430), (1170, 332668), (1260, 308906), (1308, 297570), (1365, 285144), (1417, 274680), (1526, 255060), (1560, 249501), (1635, 238056), (1638, 237620), (1820, 213858), (1962, 198380), (2180, 178542), (2184, 178215), (2289, 170040), (2340, 166334), (2520, 154453), (2616, 148785), (2730, 142572), (2834, 137340), (3052, 127530), (3270, 119028), (3276, 118810), (3640, 106929), (3815, 102024), (3924, 99190), (4095, 95048), (4251, 91560), (4360, 89271), (4578, 85020), (4680, 83167), (4905, 79352), (5460, 71286), (5668, 68670), (6104, 63765), (6540, 59514), (6552, 59405), (6867, 56680), (7085, 54936), (7630, 51012), (7848, 49595), (8190, 47524), (8502, 45780), (9156, 42510), (9810, 39676), (9919, 39240), (10920, 35643), (11336, 34335), (11445, 34008), (11881, 32760), (12753, 30520), (13080, 29757), (13734, 28340), (14170, 27468), (15260, 25506), (16380, 23762), (17004, 22890), (18312, 21255), (19620, 19838)]