206989380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1750

約数の個数: 144

約数和(自身を含む): 689335920

約数和(自身を除く): 482346540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1170, 1378, 1590, 1669, 1908, 2067, 2340, 2385, 2756, 3180, 3338, 3445, 4134, 4770, 5007, 6201, 6676, 6890, 8268, 8345, 9540, 10014, 10335, 12402, 13780, 15021, 16690, 20028, 20670, 21697, 24804, 25035, 30042, 31005, 33380, 41340, 43394, 50070, 60084, 62010, 65091, 75105, 86788, 88457, 100140, 108485, 124020, 130182, 150210, 176914, 195273, 216970, 260364, 265371, 300420, 325455, 353828, 390546, 433940, 442285, 530742, 650910, 781092, 796113, 884570, 976365, 1061484, 1149941, 1301820, 1326855, 1592226, 1769140, 1952730, 2299882, 2653710, 3184452, 3449823, 3905460, 3980565, 4599764, 5307420, 5749705, 6899646, 7961130, 10349469, 11499410, 13799292, 15922260, 17249115, 20698938, 22998820, 34498230, 41397876, 51747345, 68996460, 103494690, 206989380]

約数ペア:

[(1, 206989380), (2, 103494690), (3, 68996460), (4, 51747345), (5, 41397876), (6, 34498230), (9, 22998820), (10, 20698938), (12, 17249115), (13, 15922260), (15, 13799292), (18, 11499410), (20, 10349469), (26, 7961130), (30, 6899646), (36, 5749705), (39, 5307420), (45, 4599764), (52, 3980565), (53, 3905460), (60, 3449823), (65, 3184452), (78, 2653710), (90, 2299882), (106, 1952730), (117, 1769140), (130, 1592226), (156, 1326855), (159, 1301820), (180, 1149941), (195, 1061484), (212, 976365), (234, 884570), (260, 796113), (265, 781092), (318, 650910), (390, 530742), (468, 442285), (477, 433940), (530, 390546), (585, 353828), (636, 325455), (689, 300420), (780, 265371), (795, 260364), (954, 216970), (1060, 195273), (1170, 176914), (1378, 150210), (1590, 130182), (1669, 124020), (1908, 108485), (2067, 100140), (2340, 88457), (2385, 86788), (2756, 75105), (3180, 65091), (3338, 62010), (3445, 60084), (4134, 50070), (4770, 43394), (5007, 41340), (6201, 33380), (6676, 31005), (6890, 30042), (8268, 25035), (8345, 24804), (9540, 21697), (10014, 20670), (10335, 20028), (12402, 16690), (13780, 15021)]