1387663440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{73189}}^1$

素因数の和:73284

約数の個数: 80

約数和(自身を含む): 4356268800

約数和(自身を除く): 2968605360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 73189, 146378, 219567, 292756, 365945, 439134, 585512, 731890, 878268, 1097835, 1171024, 1463780, 1756536, 2195670, 2927560, 3513072, 4391340, 5781931, 5855120, 8782680, 11563862, 17345793, 17565360, 23127724, 28909655, 34691586, 46255448, 57819310, 69383172, 86728965, 92510896, 115638620, 138766344, 173457930, 231277240, 277532688, 346915860, 462554480, 693831720, 1387663440]

約数ペア:

[(1, 1387663440), (2, 693831720), (3, 462554480), (4, 346915860), (5, 277532688), (6, 231277240), (8, 173457930), (10, 138766344), (12, 115638620), (15, 92510896), (16, 86728965), (20, 69383172), (24, 57819310), (30, 46255448), (40, 34691586), (48, 28909655), (60, 23127724), (79, 17565360), (80, 17345793), (120, 11563862), (158, 8782680), (237, 5855120), (240, 5781931), (316, 4391340), (395, 3513072), (474, 2927560), (632, 2195670), (790, 1756536), (948, 1463780), (1185, 1171024), (1264, 1097835), (1580, 878268), (1896, 731890), (2370, 585512), (3160, 439134), (3792, 365945), (4740, 292756), (6320, 219567), (9480, 146378), (18960, 73189)]