401520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 1428480

約数和(自身を除く): 1026960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 239, 240, 280, 336, 420, 478, 560, 717, 840, 956, 1195, 1434, 1673, 1680, 1912, 2390, 2868, 3346, 3585, 3824, 4780, 5019, 5736, 6692, 7170, 8365, 9560, 10038, 11472, 13384, 14340, 16730, 19120, 20076, 25095, 26768, 28680, 33460, 40152, 50190, 57360, 66920, 80304, 100380, 133840, 200760, 401520]

約数ペア:

[(1, 401520), (2, 200760), (3, 133840), (4, 100380), (5, 80304), (6, 66920), (7, 57360), (8, 50190), (10, 40152), (12, 33460), (14, 28680), (15, 26768), (16, 25095), (20, 20076), (21, 19120), (24, 16730), (28, 14340), (30, 13384), (35, 11472), (40, 10038), (42, 9560), (48, 8365), (56, 7170), (60, 6692), (70, 5736), (80, 5019), (84, 4780), (105, 3824), (112, 3585), (120, 3346), (140, 2868), (168, 2390), (210, 1912), (239, 1680), (240, 1673), (280, 1434), (336, 1195), (420, 956), (478, 840), (560, 717)]