90621180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 180

約数和(自身を含む): 308761992

約数和(自身を除く): 218140812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 260, 270, 324, 331, 338, 351, 390, 405, 468, 507, 540, 585, 662, 676, 702, 780, 810, 845, 993, 1014, 1053, 1170, 1324, 1404, 1521, 1620, 1655, 1690, 1755, 1986, 2028, 2106, 2340, 2535, 2979, 3042, 3310, 3380, 3510, 3972, 4212, 4303, 4563, 4965, 5070, 5265, 5958, 6084, 6620, 7020, 7605, 8606, 8937, 9126, 9930, 10140, 10530, 11916, 12909, 13689, 14895, 15210, 17212, 17874, 18252, 19860, 21060, 21515, 22815, 25818, 26811, 27378, 29790, 30420, 35748, 38727, 43030, 44685, 45630, 51636, 53622, 54756, 55939, 59580, 64545, 68445, 77454, 86060, 89370, 91260, 107244, 111878, 116181, 129090, 134055, 136890, 154908, 167817, 178740, 193635, 223756, 232362, 258180, 268110, 273780, 279695, 335634, 348543, 387270, 464724, 503451, 536220, 559390, 580905, 671268, 697086, 774540, 839085, 1006902, 1118780, 1161810, 1394172, 1510353, 1678170, 1742715, 2013804, 2323620, 2517255, 3020706, 3356340, 3485430, 4531059, 5034510, 6041412, 6970860, 7551765, 9062118, 10069020, 15103530, 18124236, 22655295, 30207060, 45310590, 90621180]

約数ペア:

[(1, 90621180), (2, 45310590), (3, 30207060), (4, 22655295), (5, 18124236), (6, 15103530), (9, 10069020), (10, 9062118), (12, 7551765), (13, 6970860), (15, 6041412), (18, 5034510), (20, 4531059), (26, 3485430), (27, 3356340), (30, 3020706), (36, 2517255), (39, 2323620), (45, 2013804), (52, 1742715), (54, 1678170), (60, 1510353), (65, 1394172), (78, 1161810), (81, 1118780), (90, 1006902), (108, 839085), (117, 774540), (130, 697086), (135, 671268), (156, 580905), (162, 559390), (169, 536220), (180, 503451), (195, 464724), (234, 387270), (260, 348543), (270, 335634), (324, 279695), (331, 273780), (338, 268110), (351, 258180), (390, 232362), (405, 223756), (468, 193635), (507, 178740), (540, 167817), (585, 154908), (662, 136890), (676, 134055), (702, 129090), (780, 116181), (810, 111878), (845, 107244), (993, 91260), (1014, 89370), (1053, 86060), (1170, 77454), (1324, 68445), (1404, 64545), (1521, 59580), (1620, 55939), (1655, 54756), (1690, 53622), (1755, 51636), (1986, 45630), (2028, 44685), (2106, 43030), (2340, 38727), (2535, 35748), (2979, 30420), (3042, 29790), (3310, 27378), (3380, 26811), (3510, 25818), (3972, 22815), (4212, 21515), (4303, 21060), (4563, 19860), (4965, 18252), (5070, 17874), (5265, 17212), (5958, 15210), (6084, 14895), (6620, 13689), (7020, 12909), (7605, 11916), (8606, 10530), (8937, 10140), (9126, 9930)]