243315280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7547}}^1$

素因数の和:7604

約数の個数: 80

約数和(自身を含む): 628959744

約数和(自身を除く): 385644464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 7547, 8060, 15094, 16120, 30188, 32240, 37735, 60376, 75470, 98111, 120752, 150940, 196222, 233957, 301880, 392444, 467914, 490555, 603760, 784888, 935828, 981110, 1169785, 1569776, 1871656, 1962220, 2339570, 3041441, 3743312, 3924440, 4679140, 6082882, 7848880, 9358280, 12165764, 15207205, 18716560, 24331528, 30414410, 48663056, 60828820, 121657640, 243315280]

約数ペア:

[(1, 243315280), (2, 121657640), (4, 60828820), (5, 48663056), (8, 30414410), (10, 24331528), (13, 18716560), (16, 15207205), (20, 12165764), (26, 9358280), (31, 7848880), (40, 6082882), (52, 4679140), (62, 3924440), (65, 3743312), (80, 3041441), (104, 2339570), (124, 1962220), (130, 1871656), (155, 1569776), (208, 1169785), (248, 981110), (260, 935828), (310, 784888), (403, 603760), (496, 490555), (520, 467914), (620, 392444), (806, 301880), (1040, 233957), (1240, 196222), (1612, 150940), (2015, 120752), (2480, 98111), (3224, 75470), (4030, 60376), (6448, 37735), (7547, 32240), (8060, 30188), (15094, 16120)]