17816940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 56386512

約数和(自身を除く): 38569572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 124, 155, 180, 186, 206, 279, 309, 310, 372, 412, 465, 515, 558, 618, 620, 927, 930, 961, 1030, 1116, 1236, 1395, 1545, 1854, 1860, 1922, 2060, 2790, 2883, 3090, 3193, 3708, 3844, 4635, 4805, 5580, 5766, 6180, 6386, 8649, 9270, 9579, 9610, 11532, 12772, 14415, 15965, 17298, 18540, 19158, 19220, 28737, 28830, 31930, 34596, 38316, 43245, 47895, 57474, 57660, 63860, 86490, 95790, 98983, 114948, 143685, 172980, 191580, 197966, 287370, 296949, 395932, 494915, 574740, 593898, 890847, 989830, 1187796, 1484745, 1781694, 1979660, 2969490, 3563388, 4454235, 5938980, 8908470, 17816940]

約数ペア:

[(1, 17816940), (2, 8908470), (3, 5938980), (4, 4454235), (5, 3563388), (6, 2969490), (9, 1979660), (10, 1781694), (12, 1484745), (15, 1187796), (18, 989830), (20, 890847), (30, 593898), (31, 574740), (36, 494915), (45, 395932), (60, 296949), (62, 287370), (90, 197966), (93, 191580), (103, 172980), (124, 143685), (155, 114948), (180, 98983), (186, 95790), (206, 86490), (279, 63860), (309, 57660), (310, 57474), (372, 47895), (412, 43245), (465, 38316), (515, 34596), (558, 31930), (618, 28830), (620, 28737), (927, 19220), (930, 19158), (961, 18540), (1030, 17298), (1116, 15965), (1236, 14415), (1395, 12772), (1545, 11532), (1854, 9610), (1860, 9579), (1922, 9270), (2060, 8649), (2790, 6386), (2883, 6180), (3090, 5766), (3193, 5580), (3708, 4805), (3844, 4635)]