156780320

素因数分解:

$2^5\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1583}}^1$

素因数の和:2217

約数の個数: 48

約数和(自身を含む): 371226240

約数和(自身を除く): 214445920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 619, 1238, 1583, 2476, 3095, 3166, 4952, 6190, 6332, 7915, 9904, 12380, 12664, 15830, 19808, 24760, 25328, 31660, 49520, 50656, 63320, 99040, 126640, 253280, 979877, 1959754, 3919508, 4899385, 7839016, 9798770, 15678032, 19597540, 31356064, 39195080, 78390160, 156780320]

約数ペア:

[(1, 156780320), (2, 78390160), (4, 39195080), (5, 31356064), (8, 19597540), (10, 15678032), (16, 9798770), (20, 7839016), (32, 4899385), (40, 3919508), (80, 1959754), (160, 979877), (619, 253280), (1238, 126640), (1583, 99040), (2476, 63320), (3095, 50656), (3166, 49520), (4952, 31660), (6190, 25328), (6332, 24760), (7915, 19808), (9904, 15830), (12380, 12664)]