71771820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 212115456

約数和(自身を除く): 140343636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 47, 60, 62, 93, 94, 124, 141, 155, 186, 188, 235, 282, 310, 372, 465, 470, 564, 620, 705, 821, 930, 940, 1410, 1457, 1642, 1860, 2463, 2820, 2914, 3284, 4105, 4371, 4926, 5828, 7285, 8210, 8742, 9852, 12315, 14570, 16420, 17484, 21855, 24630, 25451, 29140, 38587, 43710, 49260, 50902, 76353, 77174, 87420, 101804, 115761, 127255, 152706, 154348, 192935, 231522, 254510, 305412, 381765, 385870, 463044, 509020, 578805, 763530, 771740, 1157610, 1196197, 1527060, 2315220, 2392394, 3588591, 4784788, 5980985, 7177182, 11961970, 14354364, 17942955, 23923940, 35885910, 71771820]

約数ペア:

[(1, 71771820), (2, 35885910), (3, 23923940), (4, 17942955), (5, 14354364), (6, 11961970), (10, 7177182), (12, 5980985), (15, 4784788), (20, 3588591), (30, 2392394), (31, 2315220), (47, 1527060), (60, 1196197), (62, 1157610), (93, 771740), (94, 763530), (124, 578805), (141, 509020), (155, 463044), (186, 385870), (188, 381765), (235, 305412), (282, 254510), (310, 231522), (372, 192935), (465, 154348), (470, 152706), (564, 127255), (620, 115761), (705, 101804), (821, 87420), (930, 77174), (940, 76353), (1410, 50902), (1457, 49260), (1642, 43710), (1860, 38587), (2463, 29140), (2820, 25451), (2914, 24630), (3284, 21855), (4105, 17484), (4371, 16420), (4926, 14570), (5828, 12315), (7285, 9852), (8210, 8742)]