71621880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 242611200

約数和(自身を除く): 170989320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1871, 1914, 2552, 3190, 3480, 3742, 3828, 4785, 5613, 6380, 7484, 7656, 9355, 9570, 11226, 12760, 14968, 18710, 19140, 20581, 22452, 28065, 37420, 38280, 41162, 44904, 54259, 56130, 61743, 74840, 82324, 102905, 108518, 112260, 123486, 162777, 164648, 205810, 217036, 224520, 246972, 271295, 308715, 325554, 411620, 434072, 493944, 542590, 596849, 617430, 651108, 813885, 823240, 1085180, 1193698, 1234860, 1302216, 1627770, 1790547, 2170360, 2387396, 2469720, 2984245, 3255540, 3581094, 4774792, 5968490, 6511080, 7162188, 8952735, 11936980, 14324376, 17905470, 23873960, 35810940, 71621880]

約数ペア:

[(1, 71621880), (2, 35810940), (3, 23873960), (4, 17905470), (5, 14324376), (6, 11936980), (8, 8952735), (10, 7162188), (11, 6511080), (12, 5968490), (15, 4774792), (20, 3581094), (22, 3255540), (24, 2984245), (29, 2469720), (30, 2387396), (33, 2170360), (40, 1790547), (44, 1627770), (55, 1302216), (58, 1234860), (60, 1193698), (66, 1085180), (87, 823240), (88, 813885), (110, 651108), (116, 617430), (120, 596849), (132, 542590), (145, 493944), (165, 434072), (174, 411620), (220, 325554), (232, 308715), (264, 271295), (290, 246972), (319, 224520), (330, 217036), (348, 205810), (435, 164648), (440, 162777), (580, 123486), (638, 112260), (660, 108518), (696, 102905), (870, 82324), (957, 74840), (1160, 61743), (1276, 56130), (1320, 54259), (1595, 44904), (1740, 41162), (1871, 38280), (1914, 37420), (2552, 28065), (3190, 22452), (3480, 20581), (3742, 19140), (3828, 18710), (4785, 14968), (5613, 12760), (6380, 11226), (7484, 9570), (7656, 9355)]