142778580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20033

約数の個数: 96

約数和(自身を含む): 483791616

約数和(自身を除く): 341013036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 19997, 39994, 59991, 79988, 99985, 119982, 139979, 199970, 239964, 279958, 299955, 339949, 399940, 419937, 559916, 599910, 679898, 699895, 839874, 1019847, 1199820, 1359796, 1399790, 1679748, 1699745, 2039694, 2099685, 2379643, 2799580, 3399490, 4079388, 4199370, 4759286, 5099235, 6798980, 7138929, 8398740, 9518572, 10198470, 11898215, 14277858, 20396940, 23796430, 28555716, 35694645, 47592860, 71389290, 142778580]

約数ペア:

[(1, 142778580), (2, 71389290), (3, 47592860), (4, 35694645), (5, 28555716), (6, 23796430), (7, 20396940), (10, 14277858), (12, 11898215), (14, 10198470), (15, 9518572), (17, 8398740), (20, 7138929), (21, 6798980), (28, 5099235), (30, 4759286), (34, 4199370), (35, 4079388), (42, 3399490), (51, 2799580), (60, 2379643), (68, 2099685), (70, 2039694), (84, 1699745), (85, 1679748), (102, 1399790), (105, 1359796), (119, 1199820), (140, 1019847), (170, 839874), (204, 699895), (210, 679898), (238, 599910), (255, 559916), (340, 419937), (357, 399940), (420, 339949), (476, 299955), (510, 279958), (595, 239964), (714, 199970), (1020, 139979), (1190, 119982), (1428, 99985), (1785, 79988), (2380, 59991), (3570, 39994), (7140, 19997)]