15944220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 48690096

約数和(自身を除く): 32745876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 313, 566, 626, 849, 939, 1132, 1252, 1415, 1565, 1698, 1878, 2547, 2817, 2830, 3130, 3396, 3756, 4245, 4695, 5094, 5634, 5660, 6260, 8490, 9390, 10188, 11268, 12735, 14085, 16980, 18780, 25470, 28170, 50940, 56340, 88579, 177158, 265737, 354316, 442895, 531474, 797211, 885790, 1062948, 1328685, 1594422, 1771580, 2657370, 3188844, 3986055, 5314740, 7972110, 15944220]

約数ペア:

[(1, 15944220), (2, 7972110), (3, 5314740), (4, 3986055), (5, 3188844), (6, 2657370), (9, 1771580), (10, 1594422), (12, 1328685), (15, 1062948), (18, 885790), (20, 797211), (30, 531474), (36, 442895), (45, 354316), (60, 265737), (90, 177158), (180, 88579), (283, 56340), (313, 50940), (566, 28170), (626, 25470), (849, 18780), (939, 16980), (1132, 14085), (1252, 12735), (1415, 11268), (1565, 10188), (1698, 9390), (1878, 8490), (2547, 6260), (2817, 5660), (2830, 5634), (3130, 5094), (3396, 4695), (3756, 4245)]