71720250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 143934150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 175, 190, 210, 250, 266, 285, 350, 375, 399, 475, 525, 570, 665, 719, 750, 798, 875, 950, 1050, 1330, 1425, 1438, 1750, 1995, 2157, 2375, 2625, 2850, 3325, 3595, 3990, 4314, 4750, 5033, 5250, 6650, 7125, 7190, 9975, 10066, 10785, 13661, 14250, 15099, 16625, 17975, 19950, 21570, 25165, 27322, 30198, 33250, 35950, 40983, 49875, 50330, 53925, 68305, 75495, 81966, 89875, 95627, 99750, 107850, 125825, 136610, 150990, 179750, 191254, 204915, 251650, 269625, 286881, 341525, 377475, 409830, 478135, 539250, 573762, 629125, 683050, 754950, 956270, 1024575, 1258250, 1434405, 1707625, 1887375, 2049150, 2390675, 2868810, 3415250, 3774750, 4781350, 5122875, 7172025, 10245750, 11953375, 14344050, 23906750, 35860125, 71720250]

約数ペア:

[(1, 71720250), (2, 35860125), (3, 23906750), (5, 14344050), (6, 11953375), (7, 10245750), (10, 7172025), (14, 5122875), (15, 4781350), (19, 3774750), (21, 3415250), (25, 2868810), (30, 2390675), (35, 2049150), (38, 1887375), (42, 1707625), (50, 1434405), (57, 1258250), (70, 1024575), (75, 956270), (95, 754950), (105, 683050), (114, 629125), (125, 573762), (133, 539250), (150, 478135), (175, 409830), (190, 377475), (210, 341525), (250, 286881), (266, 269625), (285, 251650), (350, 204915), (375, 191254), (399, 179750), (475, 150990), (525, 136610), (570, 125825), (665, 107850), (719, 99750), (750, 95627), (798, 89875), (875, 81966), (950, 75495), (1050, 68305), (1330, 53925), (1425, 50330), (1438, 49875), (1750, 40983), (1995, 35950), (2157, 33250), (2375, 30198), (2625, 27322), (2850, 25165), (3325, 21570), (3595, 19950), (3990, 17975), (4314, 16625), (4750, 15099), (5033, 14250), (5250, 13661), (6650, 10785), (7125, 10066), (7190, 9975)]