51239580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6459

約数の個数: 96

約数和(自身を含む): 172623360

約数和(自身を除く): 121383780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 6421, 7980, 12842, 19263, 25684, 32105, 38526, 44947, 64210, 77052, 89894, 96315, 121999, 128420, 134841, 179788, 192630, 224735, 243998, 269682, 365997, 385260, 449470, 487996, 539364, 609995, 674205, 731994, 853993, 898940, 1219990, 1348410, 1463988, 1707986, 1829985, 2439980, 2561979, 2696820, 3415972, 3659970, 4269965, 5123958, 7319940, 8539930, 10247916, 12809895, 17079860, 25619790, 51239580]

約数ペア:

[(1, 51239580), (2, 25619790), (3, 17079860), (4, 12809895), (5, 10247916), (6, 8539930), (7, 7319940), (10, 5123958), (12, 4269965), (14, 3659970), (15, 3415972), (19, 2696820), (20, 2561979), (21, 2439980), (28, 1829985), (30, 1707986), (35, 1463988), (38, 1348410), (42, 1219990), (57, 898940), (60, 853993), (70, 731994), (76, 674205), (84, 609995), (95, 539364), (105, 487996), (114, 449470), (133, 385260), (140, 365997), (190, 269682), (210, 243998), (228, 224735), (266, 192630), (285, 179788), (380, 134841), (399, 128420), (420, 121999), (532, 96315), (570, 89894), (665, 77052), (798, 64210), (1140, 44947), (1330, 38526), (1596, 32105), (1995, 25684), (2660, 19263), (3990, 12842), (6421, 7980)]