81413440

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 207751680

約数和(自身を除く): 126338240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 283, 290, 310, 320, 464, 496, 566, 580, 620, 899, 928, 992, 1132, 1160, 1240, 1415, 1798, 1856, 1984, 2264, 2320, 2480, 2830, 3596, 4495, 4528, 4640, 4960, 5660, 7192, 8207, 8773, 8990, 9056, 9280, 9920, 11320, 14384, 16414, 17546, 17980, 18112, 22640, 28768, 32828, 35092, 35960, 41035, 43865, 45280, 57536, 65656, 70184, 71920, 82070, 87730, 90560, 131312, 140368, 143840, 164140, 175460, 254417, 262624, 280736, 287680, 328280, 350920, 508834, 525248, 561472, 656560, 701840, 1017668, 1272085, 1313120, 1403680, 2035336, 2544170, 2626240, 2807360, 4070672, 5088340, 8141344, 10176680, 16282688, 20353360, 40706720, 81413440]

約数ペア:

[(1, 81413440), (2, 40706720), (4, 20353360), (5, 16282688), (8, 10176680), (10, 8141344), (16, 5088340), (20, 4070672), (29, 2807360), (31, 2626240), (32, 2544170), (40, 2035336), (58, 1403680), (62, 1313120), (64, 1272085), (80, 1017668), (116, 701840), (124, 656560), (145, 561472), (155, 525248), (160, 508834), (232, 350920), (248, 328280), (283, 287680), (290, 280736), (310, 262624), (320, 254417), (464, 175460), (496, 164140), (566, 143840), (580, 140368), (620, 131312), (899, 90560), (928, 87730), (992, 82070), (1132, 71920), (1160, 70184), (1240, 65656), (1415, 57536), (1798, 45280), (1856, 43865), (1984, 41035), (2264, 35960), (2320, 35092), (2480, 32828), (2830, 28768), (3596, 22640), (4495, 18112), (4528, 17980), (4640, 17546), (4960, 16414), (5660, 14384), (7192, 11320), (8207, 9920), (8773, 9280), (8990, 9056)]