259652280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 810270720

約数和(自身を除く): 550618440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 223, 248, 310, 313, 372, 446, 465, 620, 626, 669, 744, 892, 930, 939, 1115, 1240, 1252, 1338, 1565, 1784, 1860, 1878, 2230, 2504, 2676, 3130, 3345, 3720, 3756, 4460, 4695, 5352, 6260, 6690, 6913, 7512, 8920, 9390, 9703, 12520, 13380, 13826, 18780, 19406, 20739, 26760, 27652, 29109, 34565, 37560, 38812, 41478, 48515, 55304, 58218, 69130, 69799, 77624, 82956, 97030, 103695, 116436, 138260, 139598, 145545, 165912, 194060, 207390, 209397, 232872, 276520, 279196, 291090, 348995, 388120, 414780, 418794, 558392, 582180, 697990, 829560, 837588, 1046985, 1164360, 1395980, 1675176, 2093970, 2163769, 2791960, 4187940, 4327538, 6491307, 8375880, 8655076, 10818845, 12982614, 17310152, 21637690, 25965228, 32456535, 43275380, 51930456, 64913070, 86550760, 129826140, 259652280]

約数ペア:

[(1, 259652280), (2, 129826140), (3, 86550760), (4, 64913070), (5, 51930456), (6, 43275380), (8, 32456535), (10, 25965228), (12, 21637690), (15, 17310152), (20, 12982614), (24, 10818845), (30, 8655076), (31, 8375880), (40, 6491307), (60, 4327538), (62, 4187940), (93, 2791960), (120, 2163769), (124, 2093970), (155, 1675176), (186, 1395980), (223, 1164360), (248, 1046985), (310, 837588), (313, 829560), (372, 697990), (446, 582180), (465, 558392), (620, 418794), (626, 414780), (669, 388120), (744, 348995), (892, 291090), (930, 279196), (939, 276520), (1115, 232872), (1240, 209397), (1252, 207390), (1338, 194060), (1565, 165912), (1784, 145545), (1860, 139598), (1878, 138260), (2230, 116436), (2504, 103695), (2676, 97030), (3130, 82956), (3345, 77624), (3720, 69799), (3756, 69130), (4460, 58218), (4695, 55304), (5352, 48515), (6260, 41478), (6690, 38812), (6913, 37560), (7512, 34565), (8920, 29109), (9390, 27652), (9703, 26760), (12520, 20739), (13380, 19406), (13826, 18780)]