77746440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1711

約数の個数: 128

約数和(自身を含む): 257852160

約数和(自身を除く): 180105720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1657, 1955, 2040, 2346, 2760, 3128, 3314, 3910, 4692, 4971, 5865, 6628, 7820, 8285, 9384, 9942, 11730, 13256, 15640, 16570, 19884, 23460, 24855, 28169, 33140, 38111, 39768, 46920, 49710, 56338, 66280, 76222, 84507, 99420, 112676, 114333, 140845, 152444, 169014, 190555, 198840, 225352, 228666, 281690, 304888, 338028, 381110, 422535, 457332, 563380, 571665, 647887, 676056, 762220, 845070, 914664, 1126760, 1143330, 1295774, 1524440, 1690140, 1943661, 2286660, 2591548, 3239435, 3380280, 3887322, 4573320, 5183096, 6478870, 7774644, 9718305, 12957740, 15549288, 19436610, 25915480, 38873220, 77746440]

約数ペア:

[(1, 77746440), (2, 38873220), (3, 25915480), (4, 19436610), (5, 15549288), (6, 12957740), (8, 9718305), (10, 7774644), (12, 6478870), (15, 5183096), (17, 4573320), (20, 3887322), (23, 3380280), (24, 3239435), (30, 2591548), (34, 2286660), (40, 1943661), (46, 1690140), (51, 1524440), (60, 1295774), (68, 1143330), (69, 1126760), (85, 914664), (92, 845070), (102, 762220), (115, 676056), (120, 647887), (136, 571665), (138, 563380), (170, 457332), (184, 422535), (204, 381110), (230, 338028), (255, 304888), (276, 281690), (340, 228666), (345, 225352), (391, 198840), (408, 190555), (460, 169014), (510, 152444), (552, 140845), (680, 114333), (690, 112676), (782, 99420), (920, 84507), (1020, 76222), (1173, 66280), (1380, 56338), (1564, 49710), (1657, 46920), (1955, 39768), (2040, 38111), (2346, 33140), (2760, 28169), (3128, 24855), (3314, 23460), (3910, 19884), (4692, 16570), (4971, 15640), (5865, 13256), (6628, 11730), (7820, 9942), (8285, 9384)]