78680480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 198858240

約数和(自身を除く): 120177760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 464, 496, 547, 580, 620, 899, 928, 992, 1094, 1160, 1240, 1798, 2188, 2320, 2480, 2735, 3596, 4376, 4495, 4640, 4960, 5470, 7192, 8752, 8990, 10940, 14384, 15863, 16957, 17504, 17980, 21880, 28768, 31726, 33914, 35960, 43760, 63452, 67828, 71920, 79315, 84785, 87520, 126904, 135656, 143840, 158630, 169570, 253808, 271312, 317260, 339140, 491753, 507616, 542624, 634520, 678280, 983506, 1269040, 1356560, 1967012, 2458765, 2538080, 2713120, 3934024, 4917530, 7868048, 9835060, 15736096, 19670120, 39340240, 78680480]

約数ペア:

[(1, 78680480), (2, 39340240), (4, 19670120), (5, 15736096), (8, 9835060), (10, 7868048), (16, 4917530), (20, 3934024), (29, 2713120), (31, 2538080), (32, 2458765), (40, 1967012), (58, 1356560), (62, 1269040), (80, 983506), (116, 678280), (124, 634520), (145, 542624), (155, 507616), (160, 491753), (232, 339140), (248, 317260), (290, 271312), (310, 253808), (464, 169570), (496, 158630), (547, 143840), (580, 135656), (620, 126904), (899, 87520), (928, 84785), (992, 79315), (1094, 71920), (1160, 67828), (1240, 63452), (1798, 43760), (2188, 35960), (2320, 33914), (2480, 31726), (2735, 28768), (3596, 21880), (4376, 17980), (4495, 17504), (4640, 16957), (4960, 15863), (5470, 14384), (7192, 10940), (8752, 8990)]