2508840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 8812800

約数和(自身を除く): 6303960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 101, 108, 115, 120, 135, 138, 180, 184, 202, 207, 216, 230, 270, 276, 303, 345, 360, 404, 414, 460, 505, 540, 552, 606, 621, 690, 808, 828, 909, 920, 1010, 1035, 1080, 1212, 1242, 1380, 1515, 1656, 1818, 2020, 2070, 2323, 2424, 2484, 2727, 2760, 3030, 3105, 3636, 4040, 4140, 4545, 4646, 4968, 5454, 6060, 6210, 6969, 7272, 8280, 9090, 9292, 10908, 11615, 12120, 12420, 13635, 13938, 18180, 18584, 20907, 21816, 23230, 24840, 27270, 27876, 34845, 36360, 41814, 46460, 54540, 55752, 62721, 69690, 83628, 92920, 104535, 109080, 125442, 139380, 167256, 209070, 250884, 278760, 313605, 418140, 501768, 627210, 836280, 1254420, 2508840]

約数ペア:

[(1, 2508840), (2, 1254420), (3, 836280), (4, 627210), (5, 501768), (6, 418140), (8, 313605), (9, 278760), (10, 250884), (12, 209070), (15, 167256), (18, 139380), (20, 125442), (23, 109080), (24, 104535), (27, 92920), (30, 83628), (36, 69690), (40, 62721), (45, 55752), (46, 54540), (54, 46460), (60, 41814), (69, 36360), (72, 34845), (90, 27876), (92, 27270), (101, 24840), (108, 23230), (115, 21816), (120, 20907), (135, 18584), (138, 18180), (180, 13938), (184, 13635), (202, 12420), (207, 12120), (216, 11615), (230, 10908), (270, 9292), (276, 9090), (303, 8280), (345, 7272), (360, 6969), (404, 6210), (414, 6060), (460, 5454), (505, 4968), (540, 4646), (552, 4545), (606, 4140), (621, 4040), (690, 3636), (808, 3105), (828, 3030), (909, 2760), (920, 2727), (1010, 2484), (1035, 2424), (1080, 2323), (1212, 2070), (1242, 2020), (1380, 1818), (1515, 1656)]