31951260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 180

約数和(自身を含む): 110848584

約数和(自身を除く): 78897324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 163, 165, 180, 198, 220, 242, 270, 297, 324, 326, 330, 363, 396, 405, 484, 489, 495, 540, 594, 605, 652, 660, 726, 810, 815, 891, 978, 990, 1089, 1188, 1210, 1452, 1467, 1485, 1620, 1630, 1782, 1793, 1815, 1956, 1980, 2178, 2420, 2445, 2934, 2970, 3260, 3267, 3564, 3586, 3630, 4356, 4401, 4455, 4890, 5379, 5445, 5868, 5940, 6534, 7172, 7260, 7335, 8802, 8910, 8965, 9780, 9801, 10758, 10890, 13068, 13203, 14670, 16137, 16335, 17604, 17820, 17930, 19602, 19723, 21516, 21780, 22005, 26406, 26895, 29340, 32274, 32670, 35860, 39204, 39446, 44010, 48411, 49005, 52812, 53790, 59169, 64548, 65340, 66015, 78892, 80685, 88020, 96822, 98010, 98615, 107580, 118338, 132030, 145233, 161370, 177507, 193644, 196020, 197230, 236676, 242055, 264060, 290466, 295845, 322740, 355014, 394460, 484110, 532521, 580932, 591690, 710028, 726165, 887535, 968220, 1065042, 1183380, 1452330, 1597563, 1775070, 2130084, 2662605, 2904660, 3195126, 3550140, 5325210, 6390252, 7987815, 10650420, 15975630, 31951260]

約数ペア:

[(1, 31951260), (2, 15975630), (3, 10650420), (4, 7987815), (5, 6390252), (6, 5325210), (9, 3550140), (10, 3195126), (11, 2904660), (12, 2662605), (15, 2130084), (18, 1775070), (20, 1597563), (22, 1452330), (27, 1183380), (30, 1065042), (33, 968220), (36, 887535), (44, 726165), (45, 710028), (54, 591690), (55, 580932), (60, 532521), (66, 484110), (81, 394460), (90, 355014), (99, 322740), (108, 295845), (110, 290466), (121, 264060), (132, 242055), (135, 236676), (162, 197230), (163, 196020), (165, 193644), (180, 177507), (198, 161370), (220, 145233), (242, 132030), (270, 118338), (297, 107580), (324, 98615), (326, 98010), (330, 96822), (363, 88020), (396, 80685), (405, 78892), (484, 66015), (489, 65340), (495, 64548), (540, 59169), (594, 53790), (605, 52812), (652, 49005), (660, 48411), (726, 44010), (810, 39446), (815, 39204), (891, 35860), (978, 32670), (990, 32274), (1089, 29340), (1188, 26895), (1210, 26406), (1452, 22005), (1467, 21780), (1485, 21516), (1620, 19723), (1630, 19602), (1782, 17930), (1793, 17820), (1815, 17604), (1956, 16335), (1980, 16137), (2178, 14670), (2420, 13203), (2445, 13068), (2934, 10890), (2970, 10758), (3260, 9801), (3267, 9780), (3564, 8965), (3586, 8910), (3630, 8802), (4356, 7335), (4401, 7260), (4455, 7172), (4890, 6534), (5379, 5940), (5445, 5868)]