81831480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1889}}^1$

素因数の和:1941

約数の個数: 96

約数和(自身を含む): 259232400

約数和(自身を除く): 177400920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 722, 760, 1083, 1140, 1444, 1805, 1889, 2166, 2280, 2888, 3610, 3778, 4332, 5415, 5667, 7220, 7556, 8664, 9445, 10830, 11334, 14440, 15112, 18890, 21660, 22668, 28335, 35891, 37780, 43320, 45336, 56670, 71782, 75560, 107673, 113340, 143564, 179455, 215346, 226680, 287128, 358910, 430692, 538365, 681929, 717820, 861384, 1076730, 1363858, 1435640, 2045787, 2153460, 2727716, 3409645, 4091574, 4306920, 5455432, 6819290, 8183148, 10228935, 13638580, 16366296, 20457870, 27277160, 40915740, 81831480]

約数ペア:

[(1, 81831480), (2, 40915740), (3, 27277160), (4, 20457870), (5, 16366296), (6, 13638580), (8, 10228935), (10, 8183148), (12, 6819290), (15, 5455432), (19, 4306920), (20, 4091574), (24, 3409645), (30, 2727716), (38, 2153460), (40, 2045787), (57, 1435640), (60, 1363858), (76, 1076730), (95, 861384), (114, 717820), (120, 681929), (152, 538365), (190, 430692), (228, 358910), (285, 287128), (361, 226680), (380, 215346), (456, 179455), (570, 143564), (722, 113340), (760, 107673), (1083, 75560), (1140, 71782), (1444, 56670), (1805, 45336), (1889, 43320), (2166, 37780), (2280, 35891), (2888, 28335), (3610, 22668), (3778, 21660), (4332, 18890), (5415, 15112), (5667, 14440), (7220, 11334), (7556, 10830), (8664, 9445)]