166259200

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 120

約数和(自身を含む): 426222720

約数和(自身を除く): 259963520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 419, 496, 512, 620, 640, 775, 800, 838, 992, 1240, 1280, 1550, 1600, 1676, 1984, 2095, 2480, 2560, 3100, 3200, 3352, 3968, 4190, 4960, 6200, 6400, 6704, 7936, 8380, 9920, 10475, 12400, 12800, 12989, 13408, 15872, 16760, 19840, 20950, 24800, 25978, 26816, 33520, 39680, 41900, 49600, 51956, 53632, 64945, 67040, 79360, 83800, 99200, 103912, 107264, 129890, 134080, 167600, 198400, 207824, 214528, 259780, 268160, 324725, 335200, 396800, 415648, 519560, 536320, 649450, 670400, 831296, 1039120, 1072640, 1298900, 1340800, 1662592, 2078240, 2597800, 2681600, 3325184, 4156480, 5195600, 5363200, 6650368, 8312960, 10391200, 16625920, 20782400, 33251840, 41564800, 83129600, 166259200]

約数ペア:

[(1, 166259200), (2, 83129600), (4, 41564800), (5, 33251840), (8, 20782400), (10, 16625920), (16, 10391200), (20, 8312960), (25, 6650368), (31, 5363200), (32, 5195600), (40, 4156480), (50, 3325184), (62, 2681600), (64, 2597800), (80, 2078240), (100, 1662592), (124, 1340800), (128, 1298900), (155, 1072640), (160, 1039120), (200, 831296), (248, 670400), (256, 649450), (310, 536320), (320, 519560), (400, 415648), (419, 396800), (496, 335200), (512, 324725), (620, 268160), (640, 259780), (775, 214528), (800, 207824), (838, 198400), (992, 167600), (1240, 134080), (1280, 129890), (1550, 107264), (1600, 103912), (1676, 99200), (1984, 83800), (2095, 79360), (2480, 67040), (2560, 64945), (3100, 53632), (3200, 51956), (3352, 49600), (3968, 41900), (4190, 39680), (4960, 33520), (6200, 26816), (6400, 25978), (6704, 24800), (7936, 20950), (8380, 19840), (9920, 16760), (10475, 15872), (12400, 13408), (12800, 12989)]