71152020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 225396864

約数和(自身を除く): 154244844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 167, 180, 263, 270, 324, 334, 405, 501, 526, 540, 668, 789, 810, 835, 1002, 1052, 1315, 1503, 1578, 1620, 1670, 2004, 2367, 2505, 2630, 3006, 3156, 3340, 3945, 4509, 4734, 5010, 5260, 6012, 7101, 7515, 7890, 9018, 9468, 10020, 11835, 13527, 14202, 15030, 15780, 18036, 21303, 22545, 23670, 27054, 28404, 30060, 35505, 42606, 43921, 45090, 47340, 54108, 67635, 71010, 85212, 87842, 90180, 106515, 131763, 135270, 142020, 175684, 213030, 219605, 263526, 270540, 395289, 426060, 439210, 527052, 658815, 790578, 878420, 1185867, 1317630, 1581156, 1976445, 2371734, 2635260, 3557601, 3952890, 4743468, 5929335, 7115202, 7905780, 11858670, 14230404, 17788005, 23717340, 35576010, 71152020]

約数ペア:

[(1, 71152020), (2, 35576010), (3, 23717340), (4, 17788005), (5, 14230404), (6, 11858670), (9, 7905780), (10, 7115202), (12, 5929335), (15, 4743468), (18, 3952890), (20, 3557601), (27, 2635260), (30, 2371734), (36, 1976445), (45, 1581156), (54, 1317630), (60, 1185867), (81, 878420), (90, 790578), (108, 658815), (135, 527052), (162, 439210), (167, 426060), (180, 395289), (263, 270540), (270, 263526), (324, 219605), (334, 213030), (405, 175684), (501, 142020), (526, 135270), (540, 131763), (668, 106515), (789, 90180), (810, 87842), (835, 85212), (1002, 71010), (1052, 67635), (1315, 54108), (1503, 47340), (1578, 45090), (1620, 43921), (1670, 42606), (2004, 35505), (2367, 30060), (2505, 28404), (2630, 27054), (3006, 23670), (3156, 22545), (3340, 21303), (3945, 18036), (4509, 15780), (4734, 15030), (5010, 14202), (5260, 13527), (6012, 11835), (7101, 10020), (7515, 9468), (7890, 9018)]