405818880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 160

約数和(自身を含む): 1323156384

約数和(自身を除く): 917337504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 512, 530, 636, 640, 768, 795, 848, 960, 997, 1060, 1272, 1280, 1536, 1590, 1696, 1920, 1994, 2120, 2544, 2560, 2991, 3180, 3392, 3840, 3988, 4240, 4985, 5088, 5982, 6360, 6784, 7680, 7976, 8480, 9970, 10176, 11964, 12720, 13568, 14955, 15952, 16960, 19940, 20352, 23928, 25440, 27136, 29910, 31904, 33920, 39880, 40704, 47856, 50880, 52841, 59820, 63808, 67840, 79760, 81408, 95712, 101760, 105682, 119640, 127616, 135680, 158523, 159520, 191424, 203520, 211364, 239280, 255232, 264205, 317046, 319040, 382848, 407040, 422728, 478560, 510464, 528410, 634092, 638080, 765696, 792615, 845456, 957120, 1056820, 1268184, 1276160, 1531392, 1585230, 1690912, 1914240, 2113640, 2536368, 2552320, 3170460, 3381824, 3828480, 4227280, 5072736, 6340920, 6763648, 7656960, 8454560, 10145472, 12681840, 13527296, 16909120, 20290944, 25363680, 27054592, 33818240, 40581888, 50727360, 67636480, 81163776, 101454720, 135272960, 202909440, 405818880]

約数ペア:

[(1, 405818880), (2, 202909440), (3, 135272960), (4, 101454720), (5, 81163776), (6, 67636480), (8, 50727360), (10, 40581888), (12, 33818240), (15, 27054592), (16, 25363680), (20, 20290944), (24, 16909120), (30, 13527296), (32, 12681840), (40, 10145472), (48, 8454560), (53, 7656960), (60, 6763648), (64, 6340920), (80, 5072736), (96, 4227280), (106, 3828480), (120, 3381824), (128, 3170460), (159, 2552320), (160, 2536368), (192, 2113640), (212, 1914240), (240, 1690912), (256, 1585230), (265, 1531392), (318, 1276160), (320, 1268184), (384, 1056820), (424, 957120), (480, 845456), (512, 792615), (530, 765696), (636, 638080), (640, 634092), (768, 528410), (795, 510464), (848, 478560), (960, 422728), (997, 407040), (1060, 382848), (1272, 319040), (1280, 317046), (1536, 264205), (1590, 255232), (1696, 239280), (1920, 211364), (1994, 203520), (2120, 191424), (2544, 159520), (2560, 158523), (2991, 135680), (3180, 127616), (3392, 119640), (3840, 105682), (3988, 101760), (4240, 95712), (4985, 81408), (5088, 79760), (5982, 67840), (6360, 63808), (6784, 59820), (7680, 52841), (7976, 50880), (8480, 47856), (9970, 40704), (10176, 39880), (11964, 33920), (12720, 31904), (13568, 29910), (14955, 27136), (15952, 25440), (16960, 23928), (19940, 20352)]