181881180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2037

約数の個数: 144

約数和(自身を含む): 613035360

約数和(自身を除く): 431154180

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, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 1014, 1170, 1404, 1521, 1690, 1755, 1993, 2028, 2340, 2535, 3042, 3380, 3510, 3986, 4563, 5070, 5979, 6084, 7020, 7605, 7972, 9126, 9965, 10140, 11958, 15210, 17937, 18252, 19930, 22815, 23916, 25909, 29895, 30420, 35874, 39860, 45630, 51818, 53811, 59790, 71748, 77727, 89685, 91260, 103636, 107622, 119580, 129545, 155454, 179370, 215244, 233181, 259090, 269055, 310908, 336817, 358740, 388635, 466362, 518180, 538110, 673634, 699543, 777270, 932724, 1010451, 1076220, 1165905, 1347268, 1399086, 1554540, 1684085, 2020902, 2331810, 2798172, 3031353, 3368170, 3497715, 4041804, 4663620, 5052255, 6062706, 6736340, 6995430, 9094059, 10104510, 12125412, 13990860, 15156765, 18188118, 20209020, 30313530, 36376236, 45470295, 60627060, 90940590, 181881180]

約数ペア:

[(1, 181881180), (2, 90940590), (3, 60627060), (4, 45470295), (5, 36376236), (6, 30313530), (9, 20209020), (10, 18188118), (12, 15156765), (13, 13990860), (15, 12125412), (18, 10104510), (20, 9094059), (26, 6995430), (27, 6736340), (30, 6062706), (36, 5052255), (39, 4663620), (45, 4041804), (52, 3497715), (54, 3368170), (60, 3031353), (65, 2798172), (78, 2331810), (90, 2020902), (108, 1684085), (117, 1554540), (130, 1399086), (135, 1347268), (156, 1165905), (169, 1076220), (180, 1010451), (195, 932724), (234, 777270), (260, 699543), (270, 673634), (338, 538110), (351, 518180), (390, 466362), (468, 388635), (507, 358740), (540, 336817), (585, 310908), (676, 269055), (702, 259090), (780, 233181), (845, 215244), (1014, 179370), (1170, 155454), (1404, 129545), (1521, 119580), (1690, 107622), (1755, 103636), (1993, 91260), (2028, 89685), (2340, 77727), (2535, 71748), (3042, 59790), (3380, 53811), (3510, 51818), (3986, 45630), (4563, 39860), (5070, 35874), (5979, 30420), (6084, 29895), (7020, 25909), (7605, 23916), (7972, 22815), (9126, 19930), (9965, 18252), (10140, 17937), (11958, 15210)]