213905520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12917}}^1$

素因数の和:12959

約数の個数: 120

約数和(自身を含む): 749657376

約数和(自身を除く): 535751856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 12917, 16560, 25834, 38751, 51668, 64585, 77502, 103336, 116253, 129170, 155004, 193755, 206672, 232506, 258340, 297091, 310008, 387510, 465012, 516680, 581265, 594182, 620016, 775020, 891273, 930024, 1033360, 1162530, 1188364, 1485455, 1550040, 1782546, 1860048, 2325060, 2376728, 2673819, 2970910, 3100080, 3565092, 4456365, 4650120, 4753456, 5347638, 5941820, 7130184, 8912730, 9300240, 10695276, 11883640, 13369095, 14260368, 17825460, 21390552, 23767280, 26738190, 35650920, 42781104, 53476380, 71301840, 106952760, 213905520]

約数ペア:

[(1, 213905520), (2, 106952760), (3, 71301840), (4, 53476380), (5, 42781104), (6, 35650920), (8, 26738190), (9, 23767280), (10, 21390552), (12, 17825460), (15, 14260368), (16, 13369095), (18, 11883640), (20, 10695276), (23, 9300240), (24, 8912730), (30, 7130184), (36, 5941820), (40, 5347638), (45, 4753456), (46, 4650120), (48, 4456365), (60, 3565092), (69, 3100080), (72, 2970910), (80, 2673819), (90, 2376728), (92, 2325060), (115, 1860048), (120, 1782546), (138, 1550040), (144, 1485455), (180, 1188364), (184, 1162530), (207, 1033360), (230, 930024), (240, 891273), (276, 775020), (345, 620016), (360, 594182), (368, 581265), (414, 516680), (460, 465012), (552, 387510), (690, 310008), (720, 297091), (828, 258340), (920, 232506), (1035, 206672), (1104, 193755), (1380, 155004), (1656, 129170), (1840, 116253), (2070, 103336), (2760, 77502), (3312, 64585), (4140, 51668), (5520, 38751), (8280, 25834), (12917, 16560)]