40064940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2279

約数の個数: 72

約数和(自身を含む): 122767008

約数和(自身を除く): 82702068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 2161, 3090, 3708, 4322, 4635, 6180, 6483, 8644, 9270, 10805, 12966, 18540, 19449, 21610, 25932, 32415, 38898, 43220, 64830, 77796, 97245, 129660, 194490, 222583, 388980, 445166, 667749, 890332, 1112915, 1335498, 2003247, 2225830, 2670996, 3338745, 4006494, 4451660, 6677490, 8012988, 10016235, 13354980, 20032470, 40064940]

約数ペア:

[(1, 40064940), (2, 20032470), (3, 13354980), (4, 10016235), (5, 8012988), (6, 6677490), (9, 4451660), (10, 4006494), (12, 3338745), (15, 2670996), (18, 2225830), (20, 2003247), (30, 1335498), (36, 1112915), (45, 890332), (60, 667749), (90, 445166), (103, 388980), (180, 222583), (206, 194490), (309, 129660), (412, 97245), (515, 77796), (618, 64830), (927, 43220), (1030, 38898), (1236, 32415), (1545, 25932), (1854, 21610), (2060, 19449), (2161, 18540), (3090, 12966), (3708, 10805), (4322, 9270), (4635, 8644), (6180, 6483)]