81734580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23899}}^1$

素因数の和:23933

約数の個数: 72

約数和(自身を含む): 260988000

約数和(自身を除く): 179253420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23899, 47798, 71697, 95596, 119495, 143394, 215091, 238990, 286788, 358485, 430182, 454081, 477980, 716970, 860364, 908162, 1075455, 1362243, 1433940, 1816324, 2150910, 2270405, 2724486, 4086729, 4301820, 4540810, 5448972, 6811215, 8173458, 9081620, 13622430, 16346916, 20433645, 27244860, 40867290, 81734580]

約数ペア:

[(1, 81734580), (2, 40867290), (3, 27244860), (4, 20433645), (5, 16346916), (6, 13622430), (9, 9081620), (10, 8173458), (12, 6811215), (15, 5448972), (18, 4540810), (19, 4301820), (20, 4086729), (30, 2724486), (36, 2270405), (38, 2150910), (45, 1816324), (57, 1433940), (60, 1362243), (76, 1075455), (90, 908162), (95, 860364), (114, 716970), (171, 477980), (180, 454081), (190, 430182), (228, 358485), (285, 286788), (342, 238990), (380, 215091), (570, 143394), (684, 119495), (855, 95596), (1140, 71697), (1710, 47798), (3420, 23899)]