1556490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 4058208

約数和(自身を除く): 2501718

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 307, 338, 390, 507, 614, 845, 921, 1014, 1535, 1690, 1842, 2535, 3070, 3991, 4605, 5070, 7982, 9210, 11973, 19955, 23946, 39910, 51883, 59865, 103766, 119730, 155649, 259415, 311298, 518830, 778245, 1556490]

約数ペア:

[(1, 1556490), (2, 778245), (3, 518830), (5, 311298), (6, 259415), (10, 155649), (13, 119730), (15, 103766), (26, 59865), (30, 51883), (39, 39910), (65, 23946), (78, 19955), (130, 11973), (169, 9210), (195, 7982), (307, 5070), (338, 4605), (390, 3991), (507, 3070), (614, 2535), (845, 1842), (921, 1690), (1014, 1535)]