221437620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 707616000

約数和(自身を除く): 486178380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 145, 174, 177, 180, 236, 261, 290, 295, 348, 354, 435, 522, 531, 580, 590, 708, 719, 870, 885, 1044, 1062, 1180, 1305, 1438, 1711, 1740, 1770, 2124, 2157, 2610, 2655, 2876, 3422, 3540, 3595, 4314, 5133, 5220, 5310, 6471, 6844, 7190, 8555, 8628, 10266, 10620, 10785, 12942, 14380, 15399, 17110, 20532, 20851, 21570, 25665, 25884, 30798, 32355, 34220, 41702, 42421, 43140, 51330, 61596, 62553, 64710, 76995, 83404, 84842, 102660, 104255, 125106, 127263, 129420, 153990, 169684, 187659, 208510, 212105, 250212, 254526, 307980, 312765, 375318, 381789, 417020, 424210, 509052, 625530, 636315, 750636, 763578, 848420, 938295, 1230209, 1251060, 1272630, 1527156, 1876590, 1908945, 2460418, 2545260, 3690627, 3753180, 3817890, 4920836, 6151045, 7381254, 7635780, 11071881, 12302090, 14762508, 18453135, 22143762, 24604180, 36906270, 44287524, 55359405, 73812540, 110718810, 221437620]

約数ペア:

[(1, 221437620), (2, 110718810), (3, 73812540), (4, 55359405), (5, 44287524), (6, 36906270), (9, 24604180), (10, 22143762), (12, 18453135), (15, 14762508), (18, 12302090), (20, 11071881), (29, 7635780), (30, 7381254), (36, 6151045), (45, 4920836), (58, 3817890), (59, 3753180), (60, 3690627), (87, 2545260), (90, 2460418), (116, 1908945), (118, 1876590), (145, 1527156), (174, 1272630), (177, 1251060), (180, 1230209), (236, 938295), (261, 848420), (290, 763578), (295, 750636), (348, 636315), (354, 625530), (435, 509052), (522, 424210), (531, 417020), (580, 381789), (590, 375318), (708, 312765), (719, 307980), (870, 254526), (885, 250212), (1044, 212105), (1062, 208510), (1180, 187659), (1305, 169684), (1438, 153990), (1711, 129420), (1740, 127263), (1770, 125106), (2124, 104255), (2157, 102660), (2610, 84842), (2655, 83404), (2876, 76995), (3422, 64710), (3540, 62553), (3595, 61596), (4314, 51330), (5133, 43140), (5220, 42421), (5310, 41702), (6471, 34220), (6844, 32355), (7190, 30798), (8555, 25884), (8628, 25665), (10266, 21570), (10620, 20851), (10785, 20532), (12942, 17110), (14380, 15399)]