388129920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6574

約数の個数: 128

約数和(自身を含む): 1277268480

約数和(自身を除く): 889138560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 6521, 7440, 9920, 11904, 13042, 14880, 19563, 19840, 26084, 29760, 32605, 39126, 52168, 59520, 65210, 78252, 97815, 104336, 130420, 156504, 195630, 202151, 208672, 260840, 313008, 391260, 404302, 417344, 521680, 606453, 626016, 782520, 808604, 834688, 1010755, 1043360, 1212906, 1252032, 1565040, 1617208, 2021510, 2086720, 2425812, 2504064, 3032265, 3130080, 3234416, 4043020, 4173440, 4851624, 6064530, 6260160, 6468832, 8086040, 9703248, 12129060, 12520320, 12937664, 16172080, 19406496, 24258120, 25875328, 32344160, 38812992, 48516240, 64688320, 77625984, 97032480, 129376640, 194064960, 388129920]

約数ペア:

[(1, 388129920), (2, 194064960), (3, 129376640), (4, 97032480), (5, 77625984), (6, 64688320), (8, 48516240), (10, 38812992), (12, 32344160), (15, 25875328), (16, 24258120), (20, 19406496), (24, 16172080), (30, 12937664), (31, 12520320), (32, 12129060), (40, 9703248), (48, 8086040), (60, 6468832), (62, 6260160), (64, 6064530), (80, 4851624), (93, 4173440), (96, 4043020), (120, 3234416), (124, 3130080), (128, 3032265), (155, 2504064), (160, 2425812), (186, 2086720), (192, 2021510), (240, 1617208), (248, 1565040), (310, 1252032), (320, 1212906), (372, 1043360), (384, 1010755), (465, 834688), (480, 808604), (496, 782520), (620, 626016), (640, 606453), (744, 521680), (930, 417344), (960, 404302), (992, 391260), (1240, 313008), (1488, 260840), (1860, 208672), (1920, 202151), (1984, 195630), (2480, 156504), (2976, 130420), (3720, 104336), (3968, 97815), (4960, 78252), (5952, 65210), (6521, 59520), (7440, 52168), (9920, 39126), (11904, 32605), (13042, 29760), (14880, 26084), (19563, 19840)]