61271640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{18911}}^1$

素因数の和:18934

約数の個数: 80

約数和(自身を含む): 205951680

約数和(自身を除く): 144680040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 18911, 37822, 56733, 75644, 94555, 113466, 151288, 170199, 189110, 226932, 283665, 340398, 378220, 453864, 510597, 567330, 680796, 756440, 850995, 1021194, 1134660, 1361592, 1531791, 1701990, 2042388, 2269320, 2552985, 3063582, 3403980, 4084776, 5105970, 6127164, 6807960, 7658955, 10211940, 12254328, 15317910, 20423880, 30635820, 61271640]

約数ペア:

[(1, 61271640), (2, 30635820), (3, 20423880), (4, 15317910), (5, 12254328), (6, 10211940), (8, 7658955), (9, 6807960), (10, 6127164), (12, 5105970), (15, 4084776), (18, 3403980), (20, 3063582), (24, 2552985), (27, 2269320), (30, 2042388), (36, 1701990), (40, 1531791), (45, 1361592), (54, 1134660), (60, 1021194), (72, 850995), (81, 756440), (90, 680796), (108, 567330), (120, 510597), (135, 453864), (162, 378220), (180, 340398), (216, 283665), (270, 226932), (324, 189110), (360, 170199), (405, 151288), (540, 113466), (648, 94555), (810, 75644), (1080, 56733), (1620, 37822), (3240, 18911)]