123145960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 344010240

約数和(自身を除く): 220864280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 82, 85, 119, 136, 140, 164, 170, 205, 238, 280, 287, 328, 340, 410, 476, 574, 595, 631, 680, 697, 820, 952, 1148, 1190, 1262, 1394, 1435, 1640, 2296, 2380, 2524, 2788, 2870, 3155, 3485, 4417, 4760, 4879, 5048, 5576, 5740, 6310, 6970, 8834, 9758, 10727, 11480, 12620, 13940, 17668, 19516, 21454, 22085, 24395, 25240, 25871, 27880, 35336, 39032, 42908, 44170, 48790, 51742, 53635, 75089, 85816, 88340, 97580, 103484, 107270, 129355, 150178, 176680, 181097, 195160, 206968, 214540, 258710, 300356, 362194, 375445, 429080, 439807, 517420, 600712, 724388, 750890, 879614, 905485, 1034840, 1448776, 1501780, 1759228, 1810970, 2199035, 3003560, 3078649, 3518456, 3621940, 4398070, 6157298, 7243880, 8796140, 12314596, 15393245, 17592280, 24629192, 30786490, 61572980, 123145960]

約数ペア:

[(1, 123145960), (2, 61572980), (4, 30786490), (5, 24629192), (7, 17592280), (8, 15393245), (10, 12314596), (14, 8796140), (17, 7243880), (20, 6157298), (28, 4398070), (34, 3621940), (35, 3518456), (40, 3078649), (41, 3003560), (56, 2199035), (68, 1810970), (70, 1759228), (82, 1501780), (85, 1448776), (119, 1034840), (136, 905485), (140, 879614), (164, 750890), (170, 724388), (205, 600712), (238, 517420), (280, 439807), (287, 429080), (328, 375445), (340, 362194), (410, 300356), (476, 258710), (574, 214540), (595, 206968), (631, 195160), (680, 181097), (697, 176680), (820, 150178), (952, 129355), (1148, 107270), (1190, 103484), (1262, 97580), (1394, 88340), (1435, 85816), (1640, 75089), (2296, 53635), (2380, 51742), (2524, 48790), (2788, 44170), (2870, 42908), (3155, 39032), (3485, 35336), (4417, 27880), (4760, 25871), (4879, 25240), (5048, 24395), (5576, 22085), (5740, 21454), (6310, 19516), (6970, 17668), (8834, 13940), (9758, 12620), (10727, 11480)]