257445960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126199}}^1$

素因数の和:126230

約数の個数: 64

約数和(自身を含む): 817776000

約数和(自身を除く): 560330040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 126199, 252398, 378597, 504796, 630995, 757194, 1009592, 1261990, 1514388, 1892985, 2145383, 2523980, 3028776, 3785970, 4290766, 5047960, 6436149, 7571940, 8581532, 10726915, 12872298, 15143880, 17163064, 21453830, 25744596, 32180745, 42907660, 51489192, 64361490, 85815320, 128722980, 257445960]

約数ペア:

[(1, 257445960), (2, 128722980), (3, 85815320), (4, 64361490), (5, 51489192), (6, 42907660), (8, 32180745), (10, 25744596), (12, 21453830), (15, 17163064), (17, 15143880), (20, 12872298), (24, 10726915), (30, 8581532), (34, 7571940), (40, 6436149), (51, 5047960), (60, 4290766), (68, 3785970), (85, 3028776), (102, 2523980), (120, 2145383), (136, 1892985), (170, 1514388), (204, 1261990), (255, 1009592), (340, 757194), (408, 630995), (510, 504796), (680, 378597), (1020, 252398), (2040, 126199)]