91988880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20173}}^1$

素因数の和:20208

約数の個数: 80

約数和(自身を含む): 300189120

約数和(自身を除く): 208200240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 20173, 40346, 60519, 80692, 100865, 121038, 161384, 201730, 242076, 302595, 322768, 383287, 403460, 484152, 605190, 766574, 806920, 968304, 1149861, 1210380, 1533148, 1613840, 1916435, 2299722, 2420760, 3066296, 3832870, 4599444, 4841520, 5749305, 6132592, 7665740, 9198888, 11498610, 15331480, 18397776, 22997220, 30662960, 45994440, 91988880]

約数ペア:

[(1, 91988880), (2, 45994440), (3, 30662960), (4, 22997220), (5, 18397776), (6, 15331480), (8, 11498610), (10, 9198888), (12, 7665740), (15, 6132592), (16, 5749305), (19, 4841520), (20, 4599444), (24, 3832870), (30, 3066296), (38, 2420760), (40, 2299722), (48, 1916435), (57, 1613840), (60, 1533148), (76, 1210380), (80, 1149861), (95, 968304), (114, 806920), (120, 766574), (152, 605190), (190, 484152), (228, 403460), (240, 383287), (285, 322768), (304, 302595), (380, 242076), (456, 201730), (570, 161384), (760, 121038), (912, 100865), (1140, 80692), (1520, 60519), (2280, 40346), (4560, 20173)]