61301940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 206841600

約数和(自身を除く): 145539660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 719, 735, 812, 870, 980, 1015, 1218, 1421, 1438, 1470, 1740, 2030, 2157, 2436, 2842, 2876, 2940, 3045, 3595, 4060, 4263, 4314, 5033, 5684, 6090, 7105, 7190, 8526, 8628, 10066, 10785, 12180, 14210, 14380, 15099, 17052, 20132, 20851, 21315, 21570, 25165, 28420, 30198, 35231, 41702, 42630, 43140, 50330, 60396, 62553, 70462, 75495, 83404, 85260, 100660, 104255, 105693, 125106, 140924, 145957, 150990, 176155, 208510, 211386, 250212, 291914, 301980, 312765, 352310, 417020, 422772, 437871, 528465, 583828, 625530, 704620, 729785, 875742, 1021699, 1056930, 1251060, 1459570, 1751484, 2043398, 2113860, 2189355, 2919140, 3065097, 4086796, 4378710, 5108495, 6130194, 8757420, 10216990, 12260388, 15325485, 20433980, 30650970, 61301940]

約数ペア:

[(1, 61301940), (2, 30650970), (3, 20433980), (4, 15325485), (5, 12260388), (6, 10216990), (7, 8757420), (10, 6130194), (12, 5108495), (14, 4378710), (15, 4086796), (20, 3065097), (21, 2919140), (28, 2189355), (29, 2113860), (30, 2043398), (35, 1751484), (42, 1459570), (49, 1251060), (58, 1056930), (60, 1021699), (70, 875742), (84, 729785), (87, 704620), (98, 625530), (105, 583828), (116, 528465), (140, 437871), (145, 422772), (147, 417020), (174, 352310), (196, 312765), (203, 301980), (210, 291914), (245, 250212), (290, 211386), (294, 208510), (348, 176155), (406, 150990), (420, 145957), (435, 140924), (490, 125106), (580, 105693), (588, 104255), (609, 100660), (719, 85260), (735, 83404), (812, 75495), (870, 70462), (980, 62553), (1015, 60396), (1218, 50330), (1421, 43140), (1438, 42630), (1470, 41702), (1740, 35231), (2030, 30198), (2157, 28420), (2436, 25165), (2842, 21570), (2876, 21315), (2940, 20851), (3045, 20132), (3595, 17052), (4060, 15099), (4263, 14380), (4314, 14210), (5033, 12180), (5684, 10785), (6090, 10066), (7105, 8628), (7190, 8526)]