215251740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9883}}^1$

素因数の和:9920

約数の個数: 108

約数和(自身を含む): 717756312

約数和(自身を除く): 502504572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9883, 10890, 19766, 21780, 29649, 39532, 49415, 59298, 88947, 98830, 108713, 118596, 148245, 177894, 197660, 217426, 296490, 326139, 355788, 434852, 444735, 543565, 592980, 652278, 889470, 978417, 1087130, 1195843, 1304556, 1630695, 1778940, 1956834, 2174260, 2391686, 3261390, 3587529, 3913668, 4783372, 4892085, 5979215, 6522780, 7175058, 9784170, 10762587, 11958430, 14350116, 17937645, 19568340, 21525174, 23916860, 35875290, 43050348, 53812935, 71750580, 107625870, 215251740]

約数ペア:

[(1, 215251740), (2, 107625870), (3, 71750580), (4, 53812935), (5, 43050348), (6, 35875290), (9, 23916860), (10, 21525174), (11, 19568340), (12, 17937645), (15, 14350116), (18, 11958430), (20, 10762587), (22, 9784170), (30, 7175058), (33, 6522780), (36, 5979215), (44, 4892085), (45, 4783372), (55, 3913668), (60, 3587529), (66, 3261390), (90, 2391686), (99, 2174260), (110, 1956834), (121, 1778940), (132, 1630695), (165, 1304556), (180, 1195843), (198, 1087130), (220, 978417), (242, 889470), (330, 652278), (363, 592980), (396, 543565), (484, 444735), (495, 434852), (605, 355788), (660, 326139), (726, 296490), (990, 217426), (1089, 197660), (1210, 177894), (1452, 148245), (1815, 118596), (1980, 108713), (2178, 98830), (2420, 88947), (3630, 59298), (4356, 49415), (5445, 39532), (7260, 29649), (9883, 21780), (10890, 19766)]