2600720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 6696000

約数和(自身を除く): 4095280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 59, 76, 80, 95, 116, 118, 145, 152, 190, 232, 236, 290, 295, 304, 380, 464, 472, 551, 580, 590, 760, 944, 1102, 1121, 1160, 1180, 1520, 1711, 2204, 2242, 2320, 2360, 2755, 3422, 4408, 4484, 4720, 5510, 5605, 6844, 8555, 8816, 8968, 11020, 11210, 13688, 17110, 17936, 22040, 22420, 27376, 32509, 34220, 44080, 44840, 65018, 68440, 89680, 130036, 136880, 162545, 260072, 325090, 520144, 650180, 1300360, 2600720]

約数ペア:

[(1, 2600720), (2, 1300360), (4, 650180), (5, 520144), (8, 325090), (10, 260072), (16, 162545), (19, 136880), (20, 130036), (29, 89680), (38, 68440), (40, 65018), (58, 44840), (59, 44080), (76, 34220), (80, 32509), (95, 27376), (116, 22420), (118, 22040), (145, 17936), (152, 17110), (190, 13688), (232, 11210), (236, 11020), (290, 8968), (295, 8816), (304, 8555), (380, 6844), (464, 5605), (472, 5510), (551, 4720), (580, 4484), (590, 4408), (760, 3422), (944, 2755), (1102, 2360), (1121, 2320), (1160, 2242), (1180, 2204), (1520, 1711)]