288531880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2619

約数の個数: 128

約数和(自身を含む): 825108480

約数和(自身を除く): 536576600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2557, 2821, 3224, 3640, 4030, 4340, 5114, 5642, 8060, 8680, 10228, 11284, 12785, 14105, 16120, 17899, 20456, 22568, 25570, 28210, 33241, 35798, 51140, 56420, 66482, 71596, 79267, 89495, 102280, 112840, 132964, 143192, 158534, 166205, 178990, 232687, 265928, 317068, 332410, 357980, 396335, 465374, 554869, 634136, 664820, 715960, 792670, 930748, 1030471, 1109738, 1163435, 1329640, 1585340, 1861496, 2060942, 2219476, 2326870, 2774345, 3170680, 4121884, 4438952, 4653740, 5152355, 5548690, 7213297, 8243768, 9307480, 10304710, 11097380, 14426594, 20609420, 22194760, 28853188, 36066485, 41218840, 57706376, 72132970, 144265940, 288531880]

約数ペア:

[(1, 288531880), (2, 144265940), (4, 72132970), (5, 57706376), (7, 41218840), (8, 36066485), (10, 28853188), (13, 22194760), (14, 20609420), (20, 14426594), (26, 11097380), (28, 10304710), (31, 9307480), (35, 8243768), (40, 7213297), (52, 5548690), (56, 5152355), (62, 4653740), (65, 4438952), (70, 4121884), (91, 3170680), (104, 2774345), (124, 2326870), (130, 2219476), (140, 2060942), (155, 1861496), (182, 1585340), (217, 1329640), (248, 1163435), (260, 1109738), (280, 1030471), (310, 930748), (364, 792670), (403, 715960), (434, 664820), (455, 634136), (520, 554869), (620, 465374), (728, 396335), (806, 357980), (868, 332410), (910, 317068), (1085, 265928), (1240, 232687), (1612, 178990), (1736, 166205), (1820, 158534), (2015, 143192), (2170, 132964), (2557, 112840), (2821, 102280), (3224, 89495), (3640, 79267), (4030, 71596), (4340, 66482), (5114, 56420), (5642, 51140), (8060, 35798), (8680, 33241), (10228, 28210), (11284, 25570), (12785, 22568), (14105, 20456), (16120, 17899)]