1920985560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2953}}^1$

素因数の和:3122

約数の個数: 192

約数和(自身を含む): 6774112800

約数和(自身を除く): 4853127240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 139, 156, 180, 195, 234, 260, 278, 312, 360, 390, 417, 468, 520, 556, 585, 695, 780, 834, 936, 1112, 1170, 1251, 1390, 1560, 1668, 1807, 2085, 2340, 2502, 2780, 2953, 3336, 3614, 4170, 4680, 5004, 5421, 5560, 5906, 6255, 7228, 8340, 8859, 9035, 10008, 10842, 11812, 12510, 14456, 14765, 16263, 16680, 17718, 18070, 21684, 23624, 25020, 26577, 27105, 29530, 32526, 35436, 36140, 38389, 43368, 44295, 50040, 53154, 54210, 59060, 65052, 70872, 72280, 76778, 81315, 88590, 106308, 108420, 115167, 118120, 130104, 132885, 153556, 162630, 177180, 191945, 212616, 216840, 230334, 265770, 307112, 325260, 345501, 354360, 383890, 410467, 460668, 531540, 575835, 650520, 691002, 767780, 820934, 921336, 1063080, 1151670, 1231401, 1382004, 1535560, 1641868, 1727505, 2052335, 2303340, 2462802, 2764008, 3283736, 3455010, 3694203, 4104670, 4606680, 4925604, 5336071, 6157005, 6910020, 7388406, 8209340, 9851208, 10672142, 12314010, 13820040, 14776812, 16008213, 16418680, 18471015, 21344284, 24628020, 26680355, 29553624, 32016426, 36942030, 42688568, 48024639, 49256040, 53360710, 64032852, 73884060, 80041065, 96049278, 106721420, 128065704, 147768120, 160082130, 192098556, 213442840, 240123195, 320164260, 384197112, 480246390, 640328520, 960492780, 1920985560]

約数ペア:

[(1, 1920985560), (2, 960492780), (3, 640328520), (4, 480246390), (5, 384197112), (6, 320164260), (8, 240123195), (9, 213442840), (10, 192098556), (12, 160082130), (13, 147768120), (15, 128065704), (18, 106721420), (20, 96049278), (24, 80041065), (26, 73884060), (30, 64032852), (36, 53360710), (39, 49256040), (40, 48024639), (45, 42688568), (52, 36942030), (60, 32016426), (65, 29553624), (72, 26680355), (78, 24628020), (90, 21344284), (104, 18471015), (117, 16418680), (120, 16008213), (130, 14776812), (139, 13820040), (156, 12314010), (180, 10672142), (195, 9851208), (234, 8209340), (260, 7388406), (278, 6910020), (312, 6157005), (360, 5336071), (390, 4925604), (417, 4606680), (468, 4104670), (520, 3694203), (556, 3455010), (585, 3283736), (695, 2764008), (780, 2462802), (834, 2303340), (936, 2052335), (1112, 1727505), (1170, 1641868), (1251, 1535560), (1390, 1382004), (1560, 1231401), (1668, 1151670), (1807, 1063080), (2085, 921336), (2340, 820934), (2502, 767780), (2780, 691002), (2953, 650520), (3336, 575835), (3614, 531540), (4170, 460668), (4680, 410467), (5004, 383890), (5421, 354360), (5560, 345501), (5906, 325260), (6255, 307112), (7228, 265770), (8340, 230334), (8859, 216840), (9035, 212616), (10008, 191945), (10842, 177180), (11812, 162630), (12510, 153556), (14456, 132885), (14765, 130104), (16263, 118120), (16680, 115167), (17718, 108420), (18070, 106308), (21684, 88590), (23624, 81315), (25020, 76778), (26577, 72280), (27105, 70872), (29530, 65052), (32526, 59060), (35436, 54210), (36140, 53154), (38389, 50040), (43368, 44295)]