140667660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111641}}^1$

素因数の和:111663

約数の個数: 72

約数和(自身を含む): 487652256

約数和(自身を除く): 346984596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 111641, 223282, 334923, 446564, 558205, 669846, 781487, 1004769, 1116410, 1339692, 1562974, 1674615, 2009538, 2232820, 2344461, 3125948, 3349230, 3907435, 4019076, 4688922, 5023845, 6698460, 7033383, 7814870, 9377844, 10047690, 11722305, 14066766, 15629740, 20095380, 23444610, 28133532, 35166915, 46889220, 70333830, 140667660]

約数ペア:

[(1, 140667660), (2, 70333830), (3, 46889220), (4, 35166915), (5, 28133532), (6, 23444610), (7, 20095380), (9, 15629740), (10, 14066766), (12, 11722305), (14, 10047690), (15, 9377844), (18, 7814870), (20, 7033383), (21, 6698460), (28, 5023845), (30, 4688922), (35, 4019076), (36, 3907435), (42, 3349230), (45, 3125948), (60, 2344461), (63, 2232820), (70, 2009538), (84, 1674615), (90, 1562974), (105, 1339692), (126, 1116410), (140, 1004769), (180, 781487), (210, 669846), (252, 558205), (315, 446564), (420, 334923), (630, 223282), (1260, 111641)]