418401960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:995

約数の個数: 128

約数和(自身を含む): 1335294720

約数和(自身を除く): 916892760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 317, 340, 408, 510, 634, 647, 680, 951, 1020, 1268, 1294, 1585, 1902, 1941, 2040, 2536, 2588, 3170, 3235, 3804, 3882, 4755, 5176, 5389, 6340, 6470, 7608, 7764, 9510, 9705, 10778, 10999, 12680, 12940, 15528, 16167, 19020, 19410, 21556, 21998, 25880, 26945, 32334, 32997, 38040, 38820, 43112, 43996, 53890, 54995, 64668, 65994, 77640, 80835, 87992, 107780, 109990, 129336, 131988, 161670, 164985, 205099, 215560, 219980, 263976, 323340, 329970, 410198, 439960, 615297, 646680, 659940, 820396, 1025495, 1230594, 1319880, 1640792, 2050990, 2461188, 3076485, 3486683, 4101980, 4922376, 6152970, 6973366, 8203960, 10460049, 12305940, 13946732, 17433415, 20920098, 24611880, 27893464, 34866830, 41840196, 52300245, 69733660, 83680392, 104600490, 139467320, 209200980, 418401960]

約数ペア:

[(1, 418401960), (2, 209200980), (3, 139467320), (4, 104600490), (5, 83680392), (6, 69733660), (8, 52300245), (10, 41840196), (12, 34866830), (15, 27893464), (17, 24611880), (20, 20920098), (24, 17433415), (30, 13946732), (34, 12305940), (40, 10460049), (51, 8203960), (60, 6973366), (68, 6152970), (85, 4922376), (102, 4101980), (120, 3486683), (136, 3076485), (170, 2461188), (204, 2050990), (255, 1640792), (317, 1319880), (340, 1230594), (408, 1025495), (510, 820396), (634, 659940), (647, 646680), (680, 615297), (951, 439960), (1020, 410198), (1268, 329970), (1294, 323340), (1585, 263976), (1902, 219980), (1941, 215560), (2040, 205099), (2536, 164985), (2588, 161670), (3170, 131988), (3235, 129336), (3804, 109990), (3882, 107780), (4755, 87992), (5176, 80835), (5389, 77640), (6340, 65994), (6470, 64668), (7608, 54995), (7764, 53890), (9510, 43996), (9705, 43112), (10778, 38820), (10999, 38040), (12680, 32997), (12940, 32334), (15528, 26945), (16167, 25880), (19020, 21998), (19410, 21556)]