257377620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{14843}}^1$

素因数の和:14889

約数の個数: 72

約数和(自身を含む): 765594144

約数和(自身を除く): 508216524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 5780, 8670, 14843, 17340, 29686, 44529, 59372, 74215, 89058, 148430, 178116, 222645, 252331, 296860, 445290, 504662, 756993, 890580, 1009324, 1261655, 1513986, 2523310, 3027972, 3784965, 4289627, 5046620, 7569930, 8579254, 12868881, 15139860, 17158508, 21448135, 25737762, 42896270, 51475524, 64344405, 85792540, 128688810, 257377620]

約数ペア:

[(1, 257377620), (2, 128688810), (3, 85792540), (4, 64344405), (5, 51475524), (6, 42896270), (10, 25737762), (12, 21448135), (15, 17158508), (17, 15139860), (20, 12868881), (30, 8579254), (34, 7569930), (51, 5046620), (60, 4289627), (68, 3784965), (85, 3027972), (102, 2523310), (170, 1513986), (204, 1261655), (255, 1009324), (289, 890580), (340, 756993), (510, 504662), (578, 445290), (867, 296860), (1020, 252331), (1156, 222645), (1445, 178116), (1734, 148430), (2890, 89058), (3468, 74215), (4335, 59372), (5780, 44529), (8670, 29686), (14843, 17340)]