71671920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{571}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 222997632

約数和(自身を除く): 151325712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 523, 571, 1046, 1142, 1569, 1713, 2092, 2284, 2615, 2855, 3138, 3426, 4184, 4568, 5230, 5710, 6276, 6852, 7845, 8368, 8565, 9136, 10460, 11420, 12552, 13704, 15690, 17130, 20920, 22840, 25104, 27408, 31380, 34260, 41840, 45680, 62760, 68520, 125520, 137040, 298633, 597266, 895899, 1194532, 1493165, 1791798, 2389064, 2986330, 3583596, 4479495, 4778128, 5972660, 7167192, 8958990, 11945320, 14334384, 17917980, 23890640, 35835960, 71671920]

約数ペア:

[(1, 71671920), (2, 35835960), (3, 23890640), (4, 17917980), (5, 14334384), (6, 11945320), (8, 8958990), (10, 7167192), (12, 5972660), (15, 4778128), (16, 4479495), (20, 3583596), (24, 2986330), (30, 2389064), (40, 1791798), (48, 1493165), (60, 1194532), (80, 895899), (120, 597266), (240, 298633), (523, 137040), (571, 125520), (1046, 68520), (1142, 62760), (1569, 45680), (1713, 41840), (2092, 34260), (2284, 31380), (2615, 27408), (2855, 25104), (3138, 22840), (3426, 20920), (4184, 17130), (4568, 15690), (5230, 13704), (5710, 12552), (6276, 11420), (6852, 10460), (7845, 9136), (8368, 8565)]