81585240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3297

約数の個数: 128

約数和(自身を含む): 281145600

約数和(自身を除く): 199560360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 3253, 4180, 5016, 6270, 6506, 8360, 9759, 12540, 13012, 16265, 19518, 25080, 26024, 32530, 35783, 39036, 48795, 61807, 65060, 71566, 78072, 97590, 107349, 123614, 130120, 143132, 178915, 185421, 195180, 214698, 247228, 286264, 309035, 357830, 370842, 390360, 429396, 494456, 536745, 618070, 679877, 715660, 741684, 858792, 927105, 1073490, 1236140, 1359754, 1431320, 1483368, 1854210, 2039631, 2146980, 2472280, 2719508, 3399385, 3708420, 4079262, 4293960, 5439016, 6798770, 7416840, 8158524, 10198155, 13597540, 16317048, 20396310, 27195080, 40792620, 81585240]

約数ペア:

[(1, 81585240), (2, 40792620), (3, 27195080), (4, 20396310), (5, 16317048), (6, 13597540), (8, 10198155), (10, 8158524), (11, 7416840), (12, 6798770), (15, 5439016), (19, 4293960), (20, 4079262), (22, 3708420), (24, 3399385), (30, 2719508), (33, 2472280), (38, 2146980), (40, 2039631), (44, 1854210), (55, 1483368), (57, 1431320), (60, 1359754), (66, 1236140), (76, 1073490), (88, 927105), (95, 858792), (110, 741684), (114, 715660), (120, 679877), (132, 618070), (152, 536745), (165, 494456), (190, 429396), (209, 390360), (220, 370842), (228, 357830), (264, 309035), (285, 286264), (330, 247228), (380, 214698), (418, 195180), (440, 185421), (456, 178915), (570, 143132), (627, 130120), (660, 123614), (760, 107349), (836, 97590), (1045, 78072), (1140, 71566), (1254, 65060), (1320, 61807), (1672, 48795), (2090, 39036), (2280, 35783), (2508, 32530), (3135, 26024), (3253, 25080), (4180, 19518), (5016, 16265), (6270, 13012), (6506, 12540), (8360, 9759)]