68575920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40819}}^1$

素因数の和:40842

約数の個数: 80

約数和(自身を含む): 242960640

約数和(自身を除く): 174384720

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, 240, 280, 336, 420, 560, 840, 1680, 40819, 81638, 122457, 163276, 204095, 244914, 285733, 326552, 408190, 489828, 571466, 612285, 653104, 816380, 857199, 979656, 1142932, 1224570, 1428665, 1632760, 1714398, 1959312, 2285864, 2449140, 2857330, 3265520, 3428796, 4285995, 4571728, 4898280, 5714660, 6857592, 8571990, 9796560, 11429320, 13715184, 17143980, 22858640, 34287960, 68575920]

約数ペア:

[(1, 68575920), (2, 34287960), (3, 22858640), (4, 17143980), (5, 13715184), (6, 11429320), (7, 9796560), (8, 8571990), (10, 6857592), (12, 5714660), (14, 4898280), (15, 4571728), (16, 4285995), (20, 3428796), (21, 3265520), (24, 2857330), (28, 2449140), (30, 2285864), (35, 1959312), (40, 1714398), (42, 1632760), (48, 1428665), (56, 1224570), (60, 1142932), (70, 979656), (80, 857199), (84, 816380), (105, 653104), (112, 612285), (120, 571466), (140, 489828), (168, 408190), (210, 326552), (240, 285733), (280, 244914), (336, 204095), (420, 163276), (560, 122457), (840, 81638), (1680, 40819)]