16702180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 40037760

約数和(自身を除く): 23335580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 310, 316, 341, 395, 620, 682, 790, 869, 961, 1364, 1580, 1705, 1738, 1922, 2449, 3410, 3476, 3844, 4345, 4805, 4898, 6820, 8690, 9610, 9796, 10571, 12245, 17380, 19220, 21142, 24490, 26939, 42284, 48980, 52855, 53878, 75919, 105710, 107756, 134695, 151838, 211420, 269390, 303676, 379595, 538780, 759190, 835109, 1518380, 1670218, 3340436, 4175545, 8351090, 16702180]

約数ペア:

[(1, 16702180), (2, 8351090), (4, 4175545), (5, 3340436), (10, 1670218), (11, 1518380), (20, 835109), (22, 759190), (31, 538780), (44, 379595), (55, 303676), (62, 269390), (79, 211420), (110, 151838), (124, 134695), (155, 107756), (158, 105710), (220, 75919), (310, 53878), (316, 52855), (341, 48980), (395, 42284), (620, 26939), (682, 24490), (790, 21142), (869, 19220), (961, 17380), (1364, 12245), (1580, 10571), (1705, 9796), (1738, 9610), (1922, 8690), (2449, 6820), (3410, 4898), (3476, 4805), (3844, 4345)]