455883520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11541

約数の個数: 72

約数和(自身を含む): 1127306880

約数和(自身を除く): 671423360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 11489, 19840, 22978, 39680, 45956, 57445, 91912, 114890, 183824, 229780, 356159, 367648, 459560, 712318, 735296, 919120, 1424636, 1470592, 1780795, 1838240, 2849272, 2941184, 3561590, 3676480, 5698544, 7123180, 7352960, 11397088, 14246360, 14705920, 22794176, 28492720, 45588352, 56985440, 91176704, 113970880, 227941760, 455883520]

約数ペア:

[(1, 455883520), (2, 227941760), (4, 113970880), (5, 91176704), (8, 56985440), (10, 45588352), (16, 28492720), (20, 22794176), (31, 14705920), (32, 14246360), (40, 11397088), (62, 7352960), (64, 7123180), (80, 5698544), (124, 3676480), (128, 3561590), (155, 2941184), (160, 2849272), (248, 1838240), (256, 1780795), (310, 1470592), (320, 1424636), (496, 919120), (620, 735296), (640, 712318), (992, 459560), (1240, 367648), (1280, 356159), (1984, 229780), (2480, 183824), (3968, 114890), (4960, 91912), (7936, 57445), (9920, 45956), (11489, 39680), (19840, 22978)]