40242780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 122850000

約数和(自身を除く): 82607220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1249, 1611, 1790, 2148, 2498, 2685, 3222, 3580, 3747, 4996, 5370, 6245, 6444, 7494, 8055, 10740, 11241, 12490, 14988, 16110, 18735, 22482, 24980, 32220, 37470, 44964, 56205, 74940, 112410, 223571, 224820, 447142, 670713, 894284, 1117855, 1341426, 2012139, 2235710, 2682852, 3353565, 4024278, 4471420, 6707130, 8048556, 10060695, 13414260, 20121390, 40242780]

約数ペア:

[(1, 40242780), (2, 20121390), (3, 13414260), (4, 10060695), (5, 8048556), (6, 6707130), (9, 4471420), (10, 4024278), (12, 3353565), (15, 2682852), (18, 2235710), (20, 2012139), (30, 1341426), (36, 1117855), (45, 894284), (60, 670713), (90, 447142), (179, 224820), (180, 223571), (358, 112410), (537, 74940), (716, 56205), (895, 44964), (1074, 37470), (1249, 32220), (1611, 24980), (1790, 22482), (2148, 18735), (2498, 16110), (2685, 14988), (3222, 12490), (3580, 11241), (3747, 10740), (4996, 8055), (5370, 7494), (6245, 6444)]