221455320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1113

約数の個数: 128

約数和(自身を含む): 698112000

約数和(自身を除く): 476656680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 93, 118, 120, 124, 155, 177, 186, 236, 248, 295, 310, 354, 372, 465, 472, 590, 620, 708, 744, 885, 930, 1009, 1180, 1240, 1416, 1770, 1829, 1860, 2018, 2360, 3027, 3540, 3658, 3720, 4036, 5045, 5487, 6054, 7080, 7316, 8072, 9145, 10090, 10974, 12108, 14632, 15135, 18290, 20180, 21948, 24216, 27435, 30270, 31279, 36580, 40360, 43896, 54870, 59531, 60540, 62558, 73160, 93837, 109740, 119062, 121080, 125116, 156395, 178593, 187674, 219480, 238124, 250232, 297655, 312790, 357186, 375348, 469185, 476248, 595310, 625580, 714372, 750696, 892965, 938370, 1190620, 1251160, 1428744, 1785930, 1845461, 1876740, 2381240, 3571860, 3690922, 3753480, 5536383, 7143720, 7381844, 9227305, 11072766, 14763688, 18454610, 22145532, 27681915, 36909220, 44291064, 55363830, 73818440, 110727660, 221455320]

約数ペア:

[(1, 221455320), (2, 110727660), (3, 73818440), (4, 55363830), (5, 44291064), (6, 36909220), (8, 27681915), (10, 22145532), (12, 18454610), (15, 14763688), (20, 11072766), (24, 9227305), (30, 7381844), (31, 7143720), (40, 5536383), (59, 3753480), (60, 3690922), (62, 3571860), (93, 2381240), (118, 1876740), (120, 1845461), (124, 1785930), (155, 1428744), (177, 1251160), (186, 1190620), (236, 938370), (248, 892965), (295, 750696), (310, 714372), (354, 625580), (372, 595310), (465, 476248), (472, 469185), (590, 375348), (620, 357186), (708, 312790), (744, 297655), (885, 250232), (930, 238124), (1009, 219480), (1180, 187674), (1240, 178593), (1416, 156395), (1770, 125116), (1829, 121080), (1860, 119062), (2018, 109740), (2360, 93837), (3027, 73160), (3540, 62558), (3658, 60540), (3720, 59531), (4036, 54870), (5045, 43896), (5487, 40360), (6054, 36580), (7080, 31279), (7316, 30270), (8072, 27435), (9145, 24216), (10090, 21948), (10974, 20180), (12108, 18290), (14632, 15135)]