145300720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 357477120

約数和(自身を除く): 212176400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1429, 1640, 2480, 2542, 2858, 3280, 5084, 5716, 6355, 7145, 10168, 11432, 12710, 14290, 20336, 22864, 25420, 28580, 44299, 50840, 57160, 58589, 88598, 101680, 114320, 117178, 177196, 221495, 234356, 292945, 354392, 442990, 468712, 585890, 708784, 885980, 937424, 1171780, 1771960, 1816259, 2343560, 3543920, 3632518, 4687120, 7265036, 9081295, 14530072, 18162590, 29060144, 36325180, 72650360, 145300720]

約数ペア:

[(1, 145300720), (2, 72650360), (4, 36325180), (5, 29060144), (8, 18162590), (10, 14530072), (16, 9081295), (20, 7265036), (31, 4687120), (40, 3632518), (41, 3543920), (62, 2343560), (80, 1816259), (82, 1771960), (124, 1171780), (155, 937424), (164, 885980), (205, 708784), (248, 585890), (310, 468712), (328, 442990), (410, 354392), (496, 292945), (620, 234356), (656, 221495), (820, 177196), (1240, 117178), (1271, 114320), (1429, 101680), (1640, 88598), (2480, 58589), (2542, 57160), (2858, 50840), (3280, 44299), (5084, 28580), (5716, 25420), (6355, 22864), (7145, 20336), (10168, 14290), (11432, 12710)]