1553060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 3541440

約数和(自身を除く): 1988380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 67, 76, 95, 122, 134, 190, 244, 268, 305, 335, 380, 610, 670, 1159, 1220, 1273, 1340, 2318, 2546, 4087, 4636, 5092, 5795, 6365, 8174, 11590, 12730, 16348, 20435, 23180, 25460, 40870, 77653, 81740, 155306, 310612, 388265, 776530, 1553060]

約数ペア:

[(1, 1553060), (2, 776530), (4, 388265), (5, 310612), (10, 155306), (19, 81740), (20, 77653), (38, 40870), (61, 25460), (67, 23180), (76, 20435), (95, 16348), (122, 12730), (134, 11590), (190, 8174), (244, 6365), (268, 5795), (305, 5092), (335, 4636), (380, 4087), (610, 2546), (670, 2318), (1159, 1340), (1220, 1273)]