128704140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1573

約数の個数: 120

約数和(自身を含む): 411642000

約数和(自身を除く): 282937860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 954, 1060, 1431, 1499, 1590, 1620, 1908, 2385, 2862, 2998, 3180, 4293, 4497, 4770, 5724, 5996, 7155, 7495, 8586, 8994, 9540, 13491, 14310, 14990, 17172, 17988, 21465, 22485, 26982, 28620, 29980, 40473, 42930, 44970, 53964, 67455, 79447, 80946, 85860, 89940, 121419, 134910, 158894, 161892, 202365, 238341, 242838, 269820, 317788, 397235, 404730, 476682, 485676, 607095, 715023, 794470, 809460, 953364, 1191705, 1214190, 1430046, 1588940, 2145069, 2383410, 2428380, 2860092, 3575115, 4290138, 4766820, 6435207, 7150230, 8580276, 10725345, 12870414, 14300460, 21450690, 25740828, 32176035, 42901380, 64352070, 128704140]

約数ペア:

[(1, 128704140), (2, 64352070), (3, 42901380), (4, 32176035), (5, 25740828), (6, 21450690), (9, 14300460), (10, 12870414), (12, 10725345), (15, 8580276), (18, 7150230), (20, 6435207), (27, 4766820), (30, 4290138), (36, 3575115), (45, 2860092), (53, 2428380), (54, 2383410), (60, 2145069), (81, 1588940), (90, 1430046), (106, 1214190), (108, 1191705), (135, 953364), (159, 809460), (162, 794470), (180, 715023), (212, 607095), (265, 485676), (270, 476682), (318, 404730), (324, 397235), (405, 317788), (477, 269820), (530, 242838), (540, 238341), (636, 202365), (795, 161892), (810, 158894), (954, 134910), (1060, 121419), (1431, 89940), (1499, 85860), (1590, 80946), (1620, 79447), (1908, 67455), (2385, 53964), (2862, 44970), (2998, 42930), (3180, 40473), (4293, 29980), (4497, 28620), (4770, 26982), (5724, 22485), (5996, 21465), (7155, 17988), (7495, 17172), (8586, 14990), (8994, 14310), (9540, 13491)]