261436080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 848160000

約数和(自身を除く): 586723920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 59, 60, 74, 80, 111, 118, 120, 148, 177, 185, 222, 236, 240, 295, 296, 354, 370, 444, 472, 499, 555, 590, 592, 708, 740, 885, 888, 944, 998, 1110, 1180, 1416, 1480, 1497, 1770, 1776, 1996, 2183, 2220, 2360, 2495, 2832, 2960, 2994, 3540, 3992, 4366, 4440, 4720, 4990, 5988, 6549, 7080, 7485, 7984, 8732, 8880, 9980, 10915, 11976, 13098, 14160, 14970, 17464, 18463, 19960, 21830, 23952, 26196, 29441, 29940, 32745, 34928, 36926, 39920, 43660, 52392, 55389, 58882, 59880, 65490, 73852, 87320, 88323, 92315, 104784, 110778, 117764, 119760, 130980, 147205, 147704, 174640, 176646, 184630, 221556, 235528, 261960, 276945, 294410, 295408, 353292, 369260, 441615, 443112, 471056, 523920, 553890, 588820, 706584, 738520, 883230, 886224, 1089317, 1107780, 1177640, 1413168, 1477040, 1766460, 2178634, 2215560, 2355280, 3267951, 3532920, 4357268, 4431120, 5446585, 6535902, 7065840, 8714536, 10893170, 13071804, 16339755, 17429072, 21786340, 26143608, 32679510, 43572680, 52287216, 65359020, 87145360, 130718040, 261436080]

約数ペア:

[(1, 261436080), (2, 130718040), (3, 87145360), (4, 65359020), (5, 52287216), (6, 43572680), (8, 32679510), (10, 26143608), (12, 21786340), (15, 17429072), (16, 16339755), (20, 13071804), (24, 10893170), (30, 8714536), (37, 7065840), (40, 6535902), (48, 5446585), (59, 4431120), (60, 4357268), (74, 3532920), (80, 3267951), (111, 2355280), (118, 2215560), (120, 2178634), (148, 1766460), (177, 1477040), (185, 1413168), (222, 1177640), (236, 1107780), (240, 1089317), (295, 886224), (296, 883230), (354, 738520), (370, 706584), (444, 588820), (472, 553890), (499, 523920), (555, 471056), (590, 443112), (592, 441615), (708, 369260), (740, 353292), (885, 295408), (888, 294410), (944, 276945), (998, 261960), (1110, 235528), (1180, 221556), (1416, 184630), (1480, 176646), (1497, 174640), (1770, 147704), (1776, 147205), (1996, 130980), (2183, 119760), (2220, 117764), (2360, 110778), (2495, 104784), (2832, 92315), (2960, 88323), (2994, 87320), (3540, 73852), (3992, 65490), (4366, 59880), (4440, 58882), (4720, 55389), (4990, 52392), (5988, 43660), (6549, 39920), (7080, 36926), (7485, 34928), (7984, 32745), (8732, 29940), (8880, 29441), (9980, 26196), (10915, 23952), (11976, 21830), (13098, 19960), (14160, 18463), (14970, 17464)]