67987890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 197856000

約数和(自身を除く): 129868110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 145, 171, 174, 190, 261, 270, 285, 290, 342, 435, 457, 513, 522, 551, 570, 783, 855, 870, 914, 1026, 1102, 1305, 1371, 1566, 1653, 1710, 2285, 2565, 2610, 2742, 2755, 3306, 3915, 4113, 4570, 4959, 5130, 5510, 6855, 7830, 8226, 8265, 8683, 9918, 12339, 13253, 13710, 14877, 16530, 17366, 20565, 24678, 24795, 26049, 26506, 29754, 39759, 41130, 43415, 49590, 52098, 61695, 66265, 74385, 78147, 79518, 86830, 119277, 123390, 130245, 132530, 148770, 156294, 198795, 234441, 238554, 251807, 260490, 357831, 390735, 397590, 468882, 503614, 596385, 715662, 755421, 781470, 1172205, 1192770, 1259035, 1510842, 1789155, 2266263, 2344410, 2518070, 3578310, 3777105, 4532526, 6798789, 7554210, 11331315, 13597578, 22662630, 33993945, 67987890]

約数ペア:

[(1, 67987890), (2, 33993945), (3, 22662630), (5, 13597578), (6, 11331315), (9, 7554210), (10, 6798789), (15, 4532526), (18, 3777105), (19, 3578310), (27, 2518070), (29, 2344410), (30, 2266263), (38, 1789155), (45, 1510842), (54, 1259035), (57, 1192770), (58, 1172205), (87, 781470), (90, 755421), (95, 715662), (114, 596385), (135, 503614), (145, 468882), (171, 397590), (174, 390735), (190, 357831), (261, 260490), (270, 251807), (285, 238554), (290, 234441), (342, 198795), (435, 156294), (457, 148770), (513, 132530), (522, 130245), (551, 123390), (570, 119277), (783, 86830), (855, 79518), (870, 78147), (914, 74385), (1026, 66265), (1102, 61695), (1305, 52098), (1371, 49590), (1566, 43415), (1653, 41130), (1710, 39759), (2285, 29754), (2565, 26506), (2610, 26049), (2742, 24795), (2755, 24678), (3306, 20565), (3915, 17366), (4113, 16530), (4570, 14877), (4959, 13710), (5130, 13253), (5510, 12339), (6855, 9918), (7830, 8683), (8226, 8265)]