71636840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 191543940

約数和(自身を除く): 119907100

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 76, 82, 88, 95, 110, 121, 152, 164, 190, 205, 209, 220, 242, 328, 361, 380, 410, 418, 440, 451, 484, 605, 722, 760, 779, 820, 836, 902, 968, 1045, 1210, 1444, 1558, 1640, 1672, 1804, 1805, 2090, 2255, 2299, 2420, 2888, 3116, 3608, 3610, 3895, 3971, 4180, 4510, 4598, 4840, 4961, 6232, 7220, 7790, 7942, 8360, 8569, 9020, 9196, 9922, 11495, 14440, 14801, 15580, 15884, 17138, 18040, 18392, 19844, 19855, 22990, 24805, 29602, 31160, 31768, 34276, 39688, 39710, 42845, 43681, 45980, 49610, 59204, 68552, 74005, 79420, 85690, 87362, 91960, 94259, 99220, 118408, 148010, 158840, 162811, 171380, 174724, 188518, 198440, 218405, 296020, 325622, 342760, 349448, 377036, 436810, 471295, 592040, 651244, 754072, 814055, 873620, 942590, 1302488, 1628110, 1747240, 1790921, 1885180, 3256220, 3581842, 3770360, 6512440, 7163684, 8954605, 14327368, 17909210, 35818420, 71636840]

約数ペア:

[(1, 71636840), (2, 35818420), (4, 17909210), (5, 14327368), (8, 8954605), (10, 7163684), (11, 6512440), (19, 3770360), (20, 3581842), (22, 3256220), (38, 1885180), (40, 1790921), (41, 1747240), (44, 1628110), (55, 1302488), (76, 942590), (82, 873620), (88, 814055), (95, 754072), (110, 651244), (121, 592040), (152, 471295), (164, 436810), (190, 377036), (205, 349448), (209, 342760), (220, 325622), (242, 296020), (328, 218405), (361, 198440), (380, 188518), (410, 174724), (418, 171380), (440, 162811), (451, 158840), (484, 148010), (605, 118408), (722, 99220), (760, 94259), (779, 91960), (820, 87362), (836, 85690), (902, 79420), (968, 74005), (1045, 68552), (1210, 59204), (1444, 49610), (1558, 45980), (1640, 43681), (1672, 42845), (1804, 39710), (1805, 39688), (2090, 34276), (2255, 31768), (2299, 31160), (2420, 29602), (2888, 24805), (3116, 22990), (3608, 19855), (3610, 19844), (3895, 18392), (3971, 18040), (4180, 17138), (4510, 15884), (4598, 15580), (4840, 14801), (4961, 14440), (6232, 11495), (7220, 9922), (7790, 9196), (7942, 9020), (8360, 8569)]