661211479680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2477561}}^1$

素因数の和:2477722

約数の個数: 128

約数和(自身を含む): 2122775121600

約数和(自身を除く): 1461563641920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 320, 384, 417, 480, 556, 640, 695, 834, 960, 1112, 1390, 1668, 1920, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6672, 8340, 8896, 11120, 13344, 16680, 17792, 22240, 26688, 33360, 44480, 53376, 66720, 88960, 133440, 266880, 2477561, 4955122, 7432683, 9910244, 12387805, 14865366, 19820488, 24775610, 29730732, 37163415, 39640976, 49551220, 59461464, 74326830, 79281952, 99102440, 118922928, 148653660, 158563904, 198204880, 237845856, 297307320, 317127808, 344380979, 396409760, 475691712, 594614640, 688761958, 792819520, 951383424, 1033142937, 1189229280, 1377523916, 1585639040, 1721904895, 2066285874, 2378458560, 2755047832, 3443809790, 4132571748, 4756917120, 5165714685, 5510095664, 6887619580, 8265143496, 10331429370, 11020191328, 13775239160, 16530286992, 20662858740, 22040382656, 27550478320, 33060573984, 41325717480, 44080765312, 55100956640, 66121147968, 82651434960, 110201913280, 132242295936, 165302869920, 220403826560, 330605739840, 661211479680]

約数ペア:

[(1, 661211479680), (2, 330605739840), (3, 220403826560), (4, 165302869920), (5, 132242295936), (6, 110201913280), (8, 82651434960), (10, 66121147968), (12, 55100956640), (15, 44080765312), (16, 41325717480), (20, 33060573984), (24, 27550478320), (30, 22040382656), (32, 20662858740), (40, 16530286992), (48, 13775239160), (60, 11020191328), (64, 10331429370), (80, 8265143496), (96, 6887619580), (120, 5510095664), (128, 5165714685), (139, 4756917120), (160, 4132571748), (192, 3443809790), (240, 2755047832), (278, 2378458560), (320, 2066285874), (384, 1721904895), (417, 1585639040), (480, 1377523916), (556, 1189229280), (640, 1033142937), (695, 951383424), (834, 792819520), (960, 688761958), (1112, 594614640), (1390, 475691712), (1668, 396409760), (1920, 344380979), (2085, 317127808), (2224, 297307320), (2780, 237845856), (3336, 198204880), (4170, 158563904), (4448, 148653660), (5560, 118922928), (6672, 99102440), (8340, 79281952), (8896, 74326830), (11120, 59461464), (13344, 49551220), (16680, 39640976), (17792, 37163415), (22240, 29730732), (26688, 24775610), (33360, 19820488), (44480, 14865366), (53376, 12387805), (66720, 9910244), (88960, 7432683), (133440, 4955122), (266880, 2477561)]