28518390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{599}}^1$

素因数の和:658

約数の個数: 72

約数和(自身を含む): 77641200

約数和(自身を除く): 49122810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 529, 599, 690, 1035, 1058, 1198, 1587, 1797, 2070, 2645, 2995, 3174, 3594, 4761, 5290, 5391, 5990, 7935, 8985, 9522, 10782, 13777, 15870, 17970, 23805, 26955, 27554, 41331, 47610, 53910, 68885, 82662, 123993, 137770, 206655, 247986, 316871, 413310, 619965, 633742, 950613, 1239930, 1584355, 1901226, 2851839, 3168710, 4753065, 5703678, 9506130, 14259195, 28518390]

約数ペア:

[(1, 28518390), (2, 14259195), (3, 9506130), (5, 5703678), (6, 4753065), (9, 3168710), (10, 2851839), (15, 1901226), (18, 1584355), (23, 1239930), (30, 950613), (45, 633742), (46, 619965), (69, 413310), (90, 316871), (115, 247986), (138, 206655), (207, 137770), (230, 123993), (345, 82662), (414, 68885), (529, 53910), (599, 47610), (690, 41331), (1035, 27554), (1058, 26955), (1198, 23805), (1587, 17970), (1797, 15870), (2070, 13777), (2645, 10782), (2995, 9522), (3174, 8985), (3594, 7935), (4761, 5990), (5290, 5391)]