81937680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:825

約数の個数: 160

約数和(自身を含む): 284231808

約数和(自身を除く): 202294128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 110, 120, 123, 132, 164, 165, 176, 205, 220, 240, 246, 264, 328, 330, 410, 440, 451, 492, 528, 615, 656, 660, 757, 820, 880, 902, 984, 1230, 1320, 1353, 1514, 1640, 1804, 1968, 2255, 2271, 2460, 2640, 2706, 3028, 3280, 3608, 3785, 4510, 4542, 4920, 5412, 6056, 6765, 7216, 7570, 8327, 9020, 9084, 9840, 10824, 11355, 12112, 13530, 15140, 16654, 18040, 18168, 21648, 22710, 24981, 27060, 30280, 31037, 33308, 36080, 36336, 41635, 45420, 49962, 54120, 60560, 62074, 66616, 83270, 90840, 93111, 99924, 108240, 124148, 124905, 133232, 155185, 166540, 181680, 186222, 199848, 248296, 249810, 310370, 333080, 341407, 372444, 399696, 465555, 496592, 499620, 620740, 666160, 682814, 744888, 931110, 999240, 1024221, 1241480, 1365628, 1489776, 1707035, 1862220, 1998480, 2048442, 2482960, 2731256, 3414070, 3724440, 4096884, 5121105, 5462512, 6828140, 7448880, 8193768, 10242210, 13656280, 16387536, 20484420, 27312560, 40968840, 81937680]

約数ペア:

[(1, 81937680), (2, 40968840), (3, 27312560), (4, 20484420), (5, 16387536), (6, 13656280), (8, 10242210), (10, 8193768), (11, 7448880), (12, 6828140), (15, 5462512), (16, 5121105), (20, 4096884), (22, 3724440), (24, 3414070), (30, 2731256), (33, 2482960), (40, 2048442), (41, 1998480), (44, 1862220), (48, 1707035), (55, 1489776), (60, 1365628), (66, 1241480), (80, 1024221), (82, 999240), (88, 931110), (110, 744888), (120, 682814), (123, 666160), (132, 620740), (164, 499620), (165, 496592), (176, 465555), (205, 399696), (220, 372444), (240, 341407), (246, 333080), (264, 310370), (328, 249810), (330, 248296), (410, 199848), (440, 186222), (451, 181680), (492, 166540), (528, 155185), (615, 133232), (656, 124905), (660, 124148), (757, 108240), (820, 99924), (880, 93111), (902, 90840), (984, 83270), (1230, 66616), (1320, 62074), (1353, 60560), (1514, 54120), (1640, 49962), (1804, 45420), (1968, 41635), (2255, 36336), (2271, 36080), (2460, 33308), (2640, 31037), (2706, 30280), (3028, 27060), (3280, 24981), (3608, 22710), (3785, 21648), (4510, 18168), (4542, 18040), (4920, 16654), (5412, 15140), (6056, 13530), (6765, 12112), (7216, 11355), (7570, 10824), (8327, 9840), (9020, 9084)]