1561356

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 4201120

約数和(自身を除く): 2639764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 79, 81, 108, 122, 158, 162, 183, 237, 244, 316, 324, 366, 474, 549, 711, 732, 948, 1098, 1422, 1647, 2133, 2196, 2844, 3294, 4266, 4819, 4941, 6399, 6588, 8532, 9638, 9882, 12798, 14457, 19276, 19764, 25596, 28914, 43371, 57828, 86742, 130113, 173484, 260226, 390339, 520452, 780678, 1561356]

約数ペア:

[(1, 1561356), (2, 780678), (3, 520452), (4, 390339), (6, 260226), (9, 173484), (12, 130113), (18, 86742), (27, 57828), (36, 43371), (54, 28914), (61, 25596), (79, 19764), (81, 19276), (108, 14457), (122, 12798), (158, 9882), (162, 9638), (183, 8532), (237, 6588), (244, 6399), (316, 4941), (324, 4819), (366, 4266), (474, 3294), (549, 2844), (711, 2196), (732, 2133), (948, 1647), (1098, 1422)]