87667020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1697}}^1$

素因数の和:1760

約数の個数: 144

約数和(自身を含む): 311508288

約数和(自身を除く): 223841268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1697, 1722, 1845, 2460, 2583, 2870, 3394, 3444, 3690, 4305, 5091, 5166, 5740, 6788, 7380, 8485, 8610, 10182, 10332, 11879, 12915, 15273, 16970, 17220, 20364, 23758, 25455, 25830, 30546, 33940, 35637, 47516, 50910, 51660, 59395, 61092, 69577, 71274, 76365, 101820, 106911, 118790, 139154, 142548, 152730, 178185, 208731, 213822, 237580, 278308, 305460, 347885, 356370, 417462, 427644, 487039, 534555, 626193, 695770, 712740, 834924, 974078, 1043655, 1069110, 1252386, 1391540, 1461117, 1948156, 2087310, 2138220, 2435195, 2504772, 2922234, 3130965, 4174620, 4383351, 4870390, 5844468, 6261930, 7305585, 8766702, 9740780, 12523860, 14611170, 17533404, 21916755, 29222340, 43833510, 87667020]

約数ペア:

[(1, 87667020), (2, 43833510), (3, 29222340), (4, 21916755), (5, 17533404), (6, 14611170), (7, 12523860), (9, 9740780), (10, 8766702), (12, 7305585), (14, 6261930), (15, 5844468), (18, 4870390), (20, 4383351), (21, 4174620), (28, 3130965), (30, 2922234), (35, 2504772), (36, 2435195), (41, 2138220), (42, 2087310), (45, 1948156), (60, 1461117), (63, 1391540), (70, 1252386), (82, 1069110), (84, 1043655), (90, 974078), (105, 834924), (123, 712740), (126, 695770), (140, 626193), (164, 534555), (180, 487039), (205, 427644), (210, 417462), (246, 356370), (252, 347885), (287, 305460), (315, 278308), (369, 237580), (410, 213822), (420, 208731), (492, 178185), (574, 152730), (615, 142548), (630, 139154), (738, 118790), (820, 106911), (861, 101820), (1148, 76365), (1230, 71274), (1260, 69577), (1435, 61092), (1476, 59395), (1697, 51660), (1722, 50910), (1845, 47516), (2460, 35637), (2583, 33940), (2870, 30546), (3394, 25830), (3444, 25455), (3690, 23758), (4305, 20364), (5091, 17220), (5166, 16970), (5740, 15273), (6788, 12915), (7380, 11879), (8485, 10332), (8610, 10182)]