220365540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 695350656

約数和(自身を除く): 474985116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 142, 172, 180, 213, 215, 258, 284, 355, 387, 401, 426, 430, 516, 639, 645, 710, 774, 802, 852, 860, 1065, 1203, 1278, 1290, 1420, 1548, 1604, 1935, 2005, 2130, 2406, 2556, 2580, 3053, 3195, 3609, 3870, 4010, 4260, 4812, 6015, 6106, 6390, 7218, 7740, 8020, 9159, 12030, 12212, 12780, 14436, 15265, 17243, 18045, 18318, 24060, 27477, 28471, 30530, 34486, 36090, 36636, 45795, 51729, 54954, 56942, 61060, 68972, 72180, 85413, 86215, 91590, 103458, 109908, 113884, 137385, 142355, 155187, 170826, 172430, 183180, 206916, 256239, 258645, 274770, 284710, 310374, 341652, 344860, 427065, 512478, 517290, 549540, 569420, 620748, 775935, 854130, 1024956, 1034580, 1224253, 1281195, 1551870, 1708260, 2448506, 2562390, 3103740, 3672759, 4897012, 5124780, 6121265, 7345518, 11018277, 12242530, 14691036, 18363795, 22036554, 24485060, 36727590, 44073108, 55091385, 73455180, 110182770, 220365540]

約数ペア:

[(1, 220365540), (2, 110182770), (3, 73455180), (4, 55091385), (5, 44073108), (6, 36727590), (9, 24485060), (10, 22036554), (12, 18363795), (15, 14691036), (18, 12242530), (20, 11018277), (30, 7345518), (36, 6121265), (43, 5124780), (45, 4897012), (60, 3672759), (71, 3103740), (86, 2562390), (90, 2448506), (129, 1708260), (142, 1551870), (172, 1281195), (180, 1224253), (213, 1034580), (215, 1024956), (258, 854130), (284, 775935), (355, 620748), (387, 569420), (401, 549540), (426, 517290), (430, 512478), (516, 427065), (639, 344860), (645, 341652), (710, 310374), (774, 284710), (802, 274770), (852, 258645), (860, 256239), (1065, 206916), (1203, 183180), (1278, 172430), (1290, 170826), (1420, 155187), (1548, 142355), (1604, 137385), (1935, 113884), (2005, 109908), (2130, 103458), (2406, 91590), (2556, 86215), (2580, 85413), (3053, 72180), (3195, 68972), (3609, 61060), (3870, 56942), (4010, 54954), (4260, 51729), (4812, 45795), (6015, 36636), (6106, 36090), (6390, 34486), (7218, 30530), (7740, 28471), (8020, 27477), (9159, 24060), (12030, 18318), (12212, 18045), (12780, 17243), (14436, 15265)]