123556920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 268353480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 345, 356, 445, 460, 503, 534, 552, 690, 712, 890, 920, 1006, 1068, 1335, 1380, 1509, 1780, 2012, 2047, 2136, 2515, 2670, 2760, 3018, 3560, 4024, 4094, 5030, 5340, 6036, 6141, 7545, 8188, 10060, 10235, 10680, 11569, 12072, 12282, 15090, 16376, 20120, 20470, 23138, 24564, 30180, 30705, 34707, 40940, 44767, 46276, 49128, 57845, 60360, 61410, 69414, 81880, 89534, 92552, 115690, 122820, 134301, 138828, 173535, 179068, 223835, 231380, 245640, 268602, 277656, 347070, 358136, 447670, 462760, 537204, 671505, 694140, 895340, 1029641, 1074408, 1343010, 1388280, 1790680, 2059282, 2686020, 3088923, 4118564, 5148205, 5372040, 6177846, 8237128, 10296410, 12355692, 15444615, 20592820, 24711384, 30889230, 41185640, 61778460, 123556920]

約数ペア:

[(1, 123556920), (2, 61778460), (3, 41185640), (4, 30889230), (5, 24711384), (6, 20592820), (8, 15444615), (10, 12355692), (12, 10296410), (15, 8237128), (20, 6177846), (23, 5372040), (24, 5148205), (30, 4118564), (40, 3088923), (46, 2686020), (60, 2059282), (69, 1790680), (89, 1388280), (92, 1343010), (115, 1074408), (120, 1029641), (138, 895340), (178, 694140), (184, 671505), (230, 537204), (267, 462760), (276, 447670), (345, 358136), (356, 347070), (445, 277656), (460, 268602), (503, 245640), (534, 231380), (552, 223835), (690, 179068), (712, 173535), (890, 138828), (920, 134301), (1006, 122820), (1068, 115690), (1335, 92552), (1380, 89534), (1509, 81880), (1780, 69414), (2012, 61410), (2047, 60360), (2136, 57845), (2515, 49128), (2670, 46276), (2760, 44767), (3018, 40940), (3560, 34707), (4024, 30705), (4094, 30180), (5030, 24564), (5340, 23138), (6036, 20470), (6141, 20120), (7545, 16376), (8188, 15090), (10060, 12282), (10235, 12072), (10680, 11569)]