161705460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385013}}^1$

素因数の和:385032

約数の個数: 48

約数和(自身を含む): 517458816

約数和(自身を除く): 355753356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 385013, 770026, 1155039, 1540052, 1925065, 2310078, 2695091, 3850130, 4620156, 5390182, 5775195, 7700260, 8085273, 10780364, 11550390, 13475455, 16170546, 23100780, 26950910, 32341092, 40426365, 53901820, 80852730, 161705460]

約数ペア:

[(1, 161705460), (2, 80852730), (3, 53901820), (4, 40426365), (5, 32341092), (6, 26950910), (7, 23100780), (10, 16170546), (12, 13475455), (14, 11550390), (15, 10780364), (20, 8085273), (21, 7700260), (28, 5775195), (30, 5390182), (35, 4620156), (42, 3850130), (60, 2695091), (70, 2310078), (84, 1925065), (105, 1540052), (140, 1155039), (210, 770026), (420, 385013)]