221821320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1327}}^1$

素因数の和:1547

約数の個数: 128

約数和(自身を含む): 764928000

約数和(自身を除く): 543106680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1327, 1393, 1592, 1990, 2388, 2654, 2786, 2985, 3980, 3981, 4179, 4776, 5308, 5572, 5970, 6635, 6965, 7960, 7962, 8358, 9289, 10616, 11144, 11940, 13270, 13930, 15924, 16716, 18578, 19905, 20895, 23880, 26540, 27860, 27867, 31848, 33432, 37156, 39810, 41790, 46445, 53080, 55720, 55734, 74312, 79620, 83580, 92890, 111468, 139335, 159240, 167160, 185780, 222936, 264073, 278670, 371560, 528146, 557340, 792219, 1056292, 1114680, 1320365, 1584438, 1848511, 2112584, 2640730, 3168876, 3697022, 3961095, 5281460, 5545533, 6337752, 7394044, 7922190, 9242555, 10562920, 11091066, 14788088, 15844380, 18485110, 22182132, 27727665, 31688760, 36970220, 44364264, 55455330, 73940440, 110910660, 221821320]

約数ペア:

[(1, 221821320), (2, 110910660), (3, 73940440), (4, 55455330), (5, 44364264), (6, 36970220), (7, 31688760), (8, 27727665), (10, 22182132), (12, 18485110), (14, 15844380), (15, 14788088), (20, 11091066), (21, 10562920), (24, 9242555), (28, 7922190), (30, 7394044), (35, 6337752), (40, 5545533), (42, 5281460), (56, 3961095), (60, 3697022), (70, 3168876), (84, 2640730), (105, 2112584), (120, 1848511), (140, 1584438), (168, 1320365), (199, 1114680), (210, 1056292), (280, 792219), (398, 557340), (420, 528146), (597, 371560), (796, 278670), (840, 264073), (995, 222936), (1194, 185780), (1327, 167160), (1393, 159240), (1592, 139335), (1990, 111468), (2388, 92890), (2654, 83580), (2786, 79620), (2985, 74312), (3980, 55734), (3981, 55720), (4179, 53080), (4776, 46445), (5308, 41790), (5572, 39810), (5970, 37156), (6635, 33432), (6965, 31848), (7960, 27867), (7962, 27860), (8358, 26540), (9289, 23880), (10616, 20895), (11144, 19905), (11940, 18578), (13270, 16716), (13930, 15924)]