290640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 1035648

約数和(自身を除く): 745008

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, 173, 210, 240, 280, 336, 346, 420, 519, 560, 692, 840, 865, 1038, 1211, 1384, 1680, 1730, 2076, 2422, 2595, 2768, 3460, 3633, 4152, 4844, 5190, 6055, 6920, 7266, 8304, 9688, 10380, 12110, 13840, 14532, 18165, 19376, 20760, 24220, 29064, 36330, 41520, 48440, 58128, 72660, 96880, 145320, 290640]

約数ペア:

[(1, 290640), (2, 145320), (3, 96880), (4, 72660), (5, 58128), (6, 48440), (7, 41520), (8, 36330), (10, 29064), (12, 24220), (14, 20760), (15, 19376), (16, 18165), (20, 14532), (21, 13840), (24, 12110), (28, 10380), (30, 9688), (35, 8304), (40, 7266), (42, 6920), (48, 6055), (56, 5190), (60, 4844), (70, 4152), (80, 3633), (84, 3460), (105, 2768), (112, 2595), (120, 2422), (140, 2076), (168, 1730), (173, 1680), (210, 1384), (240, 1211), (280, 1038), (336, 865), (346, 840), (420, 692), (519, 560)]