181921860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3229}}^1$

素因数の和:3557

約数の個数: 72

約数和(自身を含む): 553764120

約数和(自身を除く): 371842260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3229, 3756, 4695, 5634, 6260, 6458, 9390, 9687, 11268, 12916, 14085, 16145, 18780, 19374, 28170, 29061, 32290, 38748, 48435, 56340, 58122, 64580, 96870, 116244, 145305, 193740, 290610, 581220, 1010677, 2021354, 3032031, 4042708, 5053385, 6064062, 9096093, 10106770, 12128124, 15160155, 18192186, 20213540, 30320310, 36384372, 45480465, 60640620, 90960930, 181921860]

約数ペア:

[(1, 181921860), (2, 90960930), (3, 60640620), (4, 45480465), (5, 36384372), (6, 30320310), (9, 20213540), (10, 18192186), (12, 15160155), (15, 12128124), (18, 10106770), (20, 9096093), (30, 6064062), (36, 5053385), (45, 4042708), (60, 3032031), (90, 2021354), (180, 1010677), (313, 581220), (626, 290610), (939, 193740), (1252, 145305), (1565, 116244), (1878, 96870), (2817, 64580), (3130, 58122), (3229, 56340), (3756, 48435), (4695, 38748), (5634, 32290), (6260, 29061), (6458, 28170), (9390, 19374), (9687, 18780), (11268, 16145), (12916, 14085)]