163555140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55631}}^1$

素因数の和:55657

約数の個数: 72

約数和(自身を含む): 532732032

約数和(自身を除く): 369176892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 55631, 111262, 166893, 222524, 278155, 333786, 389417, 556310, 667572, 778834, 834465, 1112620, 1168251, 1557668, 1668930, 1947085, 2336502, 2725919, 3337860, 3894170, 4673004, 5451838, 5841255, 7788340, 8177757, 10903676, 11682510, 13629595, 16355514, 23365020, 27259190, 32711028, 40888785, 54518380, 81777570, 163555140]

約数ペア:

[(1, 163555140), (2, 81777570), (3, 54518380), (4, 40888785), (5, 32711028), (6, 27259190), (7, 23365020), (10, 16355514), (12, 13629595), (14, 11682510), (15, 10903676), (20, 8177757), (21, 7788340), (28, 5841255), (30, 5451838), (35, 4673004), (42, 3894170), (49, 3337860), (60, 2725919), (70, 2336502), (84, 1947085), (98, 1668930), (105, 1557668), (140, 1168251), (147, 1112620), (196, 834465), (210, 778834), (245, 667572), (294, 556310), (420, 389417), (490, 333786), (588, 278155), (735, 222524), (980, 166893), (1470, 111262), (2940, 55631)]