399528960

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 264

約数和(自身を含む): 1382461920

約数和(自身を除く): 982932960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 64, 74, 76, 80, 95, 96, 111, 114, 120, 128, 148, 152, 160, 185, 190, 192, 222, 228, 240, 256, 285, 296, 304, 320, 370, 380, 384, 444, 456, 480, 512, 555, 570, 592, 608, 640, 703, 740, 760, 768, 888, 912, 960, 1024, 1110, 1140, 1184, 1216, 1280, 1369, 1406, 1480, 1520, 1536, 1776, 1824, 1920, 2109, 2220, 2280, 2368, 2432, 2560, 2738, 2812, 2960, 3040, 3072, 3515, 3552, 3648, 3840, 4107, 4218, 4440, 4560, 4736, 4864, 5120, 5476, 5624, 5920, 6080, 6845, 7030, 7104, 7296, 7680, 8214, 8436, 8880, 9120, 9472, 9728, 10545, 10952, 11248, 11840, 12160, 13690, 14060, 14208, 14592, 15360, 16428, 16872, 17760, 18240, 18944, 19456, 20535, 21090, 21904, 22496, 23680, 24320, 26011, 27380, 28120, 28416, 29184, 32856, 33744, 35520, 36480, 37888, 41070, 42180, 43808, 44992, 47360, 48640, 52022, 54760, 56240, 56832, 58368, 65712, 67488, 71040, 72960, 78033, 82140, 84360, 87616, 89984, 94720, 97280, 104044, 109520, 112480, 113664, 130055, 131424, 134976, 142080, 145920, 156066, 164280, 168720, 175232, 179968, 189440, 208088, 219040, 224960, 260110, 262848, 269952, 284160, 291840, 312132, 328560, 337440, 350464, 359936, 390165, 416176, 438080, 449920, 520220, 525696, 539904, 568320, 624264, 657120, 674880, 700928, 719872, 780330, 832352, 876160, 899840, 1040440, 1051392, 1079808, 1248528, 1314240, 1349760, 1401856, 1560660, 1664704, 1752320, 1799680, 2080880, 2102784, 2159616, 2497056, 2628480, 2699520, 3121320, 3329408, 3504640, 3599360, 4161760, 4205568, 4994112, 5256960, 5399040, 6242640, 6658816, 7009280, 8323520, 9988224, 10513920, 10798080, 12485280, 13317632, 16647040, 19976448, 21027840, 24970560, 26635264, 33294080, 39952896, 49941120, 66588160, 79905792, 99882240, 133176320, 199764480, 399528960]

約数ペア:

[(1, 399528960), (2, 199764480), (3, 133176320), (4, 99882240), (5, 79905792), (6, 66588160), (8, 49941120), (10, 39952896), (12, 33294080), (15, 26635264), (16, 24970560), (19, 21027840), (20, 19976448), (24, 16647040), (30, 13317632), (32, 12485280), (37, 10798080), (38, 10513920), (40, 9988224), (48, 8323520), (57, 7009280), (60, 6658816), (64, 6242640), (74, 5399040), (76, 5256960), (80, 4994112), (95, 4205568), (96, 4161760), (111, 3599360), (114, 3504640), (120, 3329408), (128, 3121320), (148, 2699520), (152, 2628480), (160, 2497056), (185, 2159616), (190, 2102784), (192, 2080880), (222, 1799680), (228, 1752320), (240, 1664704), (256, 1560660), (285, 1401856), (296, 1349760), (304, 1314240), (320, 1248528), (370, 1079808), (380, 1051392), (384, 1040440), (444, 899840), (456, 876160), (480, 832352), (512, 780330), (555, 719872), (570, 700928), (592, 674880), (608, 657120), (640, 624264), (703, 568320), (740, 539904), (760, 525696), (768, 520220), (888, 449920), (912, 438080), (960, 416176), (1024, 390165), (1110, 359936), (1140, 350464), (1184, 337440), (1216, 328560), (1280, 312132), (1369, 291840), (1406, 284160), (1480, 269952), (1520, 262848), (1536, 260110), (1776, 224960), (1824, 219040), (1920, 208088), (2109, 189440), (2220, 179968), (2280, 175232), (2368, 168720), (2432, 164280), (2560, 156066), (2738, 145920), (2812, 142080), (2960, 134976), (3040, 131424), (3072, 130055), (3515, 113664), (3552, 112480), (3648, 109520), (3840, 104044), (4107, 97280), (4218, 94720), (4440, 89984), (4560, 87616), (4736, 84360), (4864, 82140), (5120, 78033), (5476, 72960), (5624, 71040), (5920, 67488), (6080, 65712), (6845, 58368), (7030, 56832), (7104, 56240), (7296, 54760), (7680, 52022), (8214, 48640), (8436, 47360), (8880, 44992), (9120, 43808), (9472, 42180), (9728, 41070), (10545, 37888), (10952, 36480), (11248, 35520), (11840, 33744), (12160, 32856), (13690, 29184), (14060, 28416), (14208, 28120), (14592, 27380), (15360, 26011), (16428, 24320), (16872, 23680), (17760, 22496), (18240, 21904), (18944, 21090), (19456, 20535)]