201223170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 128

約数和(自身を含む): 573696000

約数和(自身を除く): 372472830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 31, 45, 54, 58, 62, 87, 90, 93, 135, 145, 155, 174, 186, 261, 270, 279, 290, 310, 435, 465, 522, 558, 783, 829, 837, 870, 899, 930, 1305, 1395, 1566, 1658, 1674, 1798, 2487, 2610, 2697, 2790, 3915, 4145, 4185, 4495, 4974, 5394, 7461, 7830, 8091, 8290, 8370, 8990, 12435, 13485, 14922, 16182, 22383, 24041, 24273, 24870, 25699, 26970, 37305, 40455, 44766, 48082, 48546, 51398, 72123, 74610, 77097, 80910, 111915, 120205, 121365, 128495, 144246, 154194, 216369, 223830, 231291, 240410, 242730, 256990, 360615, 385485, 432738, 462582, 649107, 693873, 721230, 745271, 770970, 1081845, 1156455, 1298214, 1387746, 1490542, 2163690, 2235813, 2312910, 3245535, 3469365, 3726355, 4471626, 6491070, 6707439, 6938730, 7452710, 11179065, 13414878, 20122317, 22358130, 33537195, 40244634, 67074390, 100611585, 201223170]

約数ペア:

[(1, 201223170), (2, 100611585), (3, 67074390), (5, 40244634), (6, 33537195), (9, 22358130), (10, 20122317), (15, 13414878), (18, 11179065), (27, 7452710), (29, 6938730), (30, 6707439), (31, 6491070), (45, 4471626), (54, 3726355), (58, 3469365), (62, 3245535), (87, 2312910), (90, 2235813), (93, 2163690), (135, 1490542), (145, 1387746), (155, 1298214), (174, 1156455), (186, 1081845), (261, 770970), (270, 745271), (279, 721230), (290, 693873), (310, 649107), (435, 462582), (465, 432738), (522, 385485), (558, 360615), (783, 256990), (829, 242730), (837, 240410), (870, 231291), (899, 223830), (930, 216369), (1305, 154194), (1395, 144246), (1566, 128495), (1658, 121365), (1674, 120205), (1798, 111915), (2487, 80910), (2610, 77097), (2697, 74610), (2790, 72123), (3915, 51398), (4145, 48546), (4185, 48082), (4495, 44766), (4974, 40455), (5394, 37305), (7461, 26970), (7830, 25699), (8091, 24870), (8290, 24273), (8370, 24041), (8990, 22383), (12435, 16182), (13485, 14922)]