397397520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42457}}^1$

素因数の和:42489

約数の個数: 120

約数和(自身を含む): 1437288216

約数和(自身を除く): 1039890696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 42457, 84914, 127371, 169828, 212285, 254742, 339656, 382113, 424570, 509484, 551941, 636855, 679312, 764226, 849140, 1018968, 1103882, 1273710, 1528452, 1655823, 1698280, 1910565, 2037936, 2207764, 2547420, 2759705, 3056904, 3311646, 3396560, 3821130, 4415528, 4967469, 5094840, 5519410, 6113808, 6623292, 7642260, 8279115, 8831056, 9934938, 10189680, 11038820, 13246584, 15284520, 16558230, 19869876, 22077640, 24837345, 26493168, 30569040, 33116460, 39739752, 44155280, 49674690, 66232920, 79479504, 99349380, 132465840, 198698760, 397397520]

約数ペア:

[(1, 397397520), (2, 198698760), (3, 132465840), (4, 99349380), (5, 79479504), (6, 66232920), (8, 49674690), (9, 44155280), (10, 39739752), (12, 33116460), (13, 30569040), (15, 26493168), (16, 24837345), (18, 22077640), (20, 19869876), (24, 16558230), (26, 15284520), (30, 13246584), (36, 11038820), (39, 10189680), (40, 9934938), (45, 8831056), (48, 8279115), (52, 7642260), (60, 6623292), (65, 6113808), (72, 5519410), (78, 5094840), (80, 4967469), (90, 4415528), (104, 3821130), (117, 3396560), (120, 3311646), (130, 3056904), (144, 2759705), (156, 2547420), (180, 2207764), (195, 2037936), (208, 1910565), (234, 1698280), (240, 1655823), (260, 1528452), (312, 1273710), (360, 1103882), (390, 1018968), (468, 849140), (520, 764226), (585, 679312), (624, 636855), (720, 551941), (780, 509484), (936, 424570), (1040, 382113), (1170, 339656), (1560, 254742), (1872, 212285), (2340, 169828), (3120, 127371), (4680, 84914), (9360, 42457)]