71489220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 226121280

約数和(自身を除く): 154632060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 229, 242, 258, 330, 363, 430, 458, 473, 484, 516, 605, 645, 660, 687, 726, 860, 916, 946, 1145, 1210, 1290, 1374, 1419, 1452, 1815, 1892, 2290, 2365, 2420, 2519, 2580, 2748, 2838, 3435, 3630, 4580, 4730, 5038, 5203, 5676, 6870, 7095, 7260, 7557, 9460, 9847, 10076, 10406, 12595, 13740, 14190, 15114, 15609, 19694, 20812, 25190, 26015, 27709, 28380, 29541, 30228, 31218, 37785, 39388, 49235, 50380, 52030, 55418, 59082, 62436, 75570, 78045, 83127, 98470, 104060, 108317, 110836, 118164, 138545, 147705, 151140, 156090, 166254, 196940, 216634, 277090, 295410, 312180, 324951, 332508, 415635, 433268, 541585, 554180, 590820, 649902, 831270, 1083170, 1191487, 1299804, 1624755, 1662540, 2166340, 2382974, 3249510, 3574461, 4765948, 5957435, 6499020, 7148922, 11914870, 14297844, 17872305, 23829740, 35744610, 71489220]

約数ペア:

[(1, 71489220), (2, 35744610), (3, 23829740), (4, 17872305), (5, 14297844), (6, 11914870), (10, 7148922), (11, 6499020), (12, 5957435), (15, 4765948), (20, 3574461), (22, 3249510), (30, 2382974), (33, 2166340), (43, 1662540), (44, 1624755), (55, 1299804), (60, 1191487), (66, 1083170), (86, 831270), (110, 649902), (121, 590820), (129, 554180), (132, 541585), (165, 433268), (172, 415635), (215, 332508), (220, 324951), (229, 312180), (242, 295410), (258, 277090), (330, 216634), (363, 196940), (430, 166254), (458, 156090), (473, 151140), (484, 147705), (516, 138545), (605, 118164), (645, 110836), (660, 108317), (687, 104060), (726, 98470), (860, 83127), (916, 78045), (946, 75570), (1145, 62436), (1210, 59082), (1290, 55418), (1374, 52030), (1419, 50380), (1452, 49235), (1815, 39388), (1892, 37785), (2290, 31218), (2365, 30228), (2420, 29541), (2519, 28380), (2580, 27709), (2748, 26015), (2838, 25190), (3435, 20812), (3630, 19694), (4580, 15609), (4730, 15114), (5038, 14190), (5203, 13740), (5676, 12595), (6870, 10406), (7095, 10076), (7260, 9847), (7557, 9460)]