321412650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 893157120

約数和(自身を除く): 571744470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 169, 186, 195, 310, 325, 338, 390, 403, 409, 465, 507, 650, 775, 806, 818, 845, 930, 975, 1014, 1209, 1227, 1550, 1690, 1950, 2015, 2045, 2325, 2418, 2454, 2535, 4030, 4090, 4225, 4650, 5070, 5239, 5317, 6045, 6135, 8450, 10075, 10225, 10478, 10634, 12090, 12270, 12675, 12679, 15717, 15951, 20150, 20450, 25350, 25358, 26195, 26585, 30225, 30675, 31434, 31902, 38037, 52390, 53170, 60450, 61350, 63395, 69121, 76074, 78585, 79755, 126790, 130975, 132925, 138242, 157170, 159510, 164827, 190185, 207363, 261950, 265850, 316975, 329654, 345605, 380370, 392925, 398775, 414726, 494481, 633950, 691210, 785850, 797550, 824135, 950925, 988962, 1036815, 1648270, 1728025, 1901850, 2073630, 2142751, 2472405, 3456050, 4120675, 4285502, 4944810, 5184075, 6428253, 8241350, 10368150, 10713755, 12362025, 12856506, 21427510, 24724050, 32141265, 53568775, 64282530, 107137550, 160706325, 321412650]

約数ペア:

[(1, 321412650), (2, 160706325), (3, 107137550), (5, 64282530), (6, 53568775), (10, 32141265), (13, 24724050), (15, 21427510), (25, 12856506), (26, 12362025), (30, 10713755), (31, 10368150), (39, 8241350), (50, 6428253), (62, 5184075), (65, 4944810), (75, 4285502), (78, 4120675), (93, 3456050), (130, 2472405), (150, 2142751), (155, 2073630), (169, 1901850), (186, 1728025), (195, 1648270), (310, 1036815), (325, 988962), (338, 950925), (390, 824135), (403, 797550), (409, 785850), (465, 691210), (507, 633950), (650, 494481), (775, 414726), (806, 398775), (818, 392925), (845, 380370), (930, 345605), (975, 329654), (1014, 316975), (1209, 265850), (1227, 261950), (1550, 207363), (1690, 190185), (1950, 164827), (2015, 159510), (2045, 157170), (2325, 138242), (2418, 132925), (2454, 130975), (2535, 126790), (4030, 79755), (4090, 78585), (4225, 76074), (4650, 69121), (5070, 63395), (5239, 61350), (5317, 60450), (6045, 53170), (6135, 52390), (8450, 38037), (10075, 31902), (10225, 31434), (10478, 30675), (10634, 30225), (12090, 26585), (12270, 26195), (12675, 25358), (12679, 25350), (15717, 20450), (15951, 20150)]