18428880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2524

約数の個数: 80

約数和(自身を含む): 58996224

約数和(自身を除く): 40567344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2477, 2480, 3720, 4954, 7431, 7440, 9908, 12385, 14862, 19816, 24770, 29724, 37155, 39632, 49540, 59448, 74310, 76787, 99080, 118896, 148620, 153574, 198160, 230361, 297240, 307148, 383935, 460722, 594480, 614296, 767870, 921444, 1151805, 1228592, 1535740, 1842888, 2303610, 3071480, 3685776, 4607220, 6142960, 9214440, 18428880]

約数ペア:

[(1, 18428880), (2, 9214440), (3, 6142960), (4, 4607220), (5, 3685776), (6, 3071480), (8, 2303610), (10, 1842888), (12, 1535740), (15, 1228592), (16, 1151805), (20, 921444), (24, 767870), (30, 614296), (31, 594480), (40, 460722), (48, 383935), (60, 307148), (62, 297240), (80, 230361), (93, 198160), (120, 153574), (124, 148620), (155, 118896), (186, 99080), (240, 76787), (248, 74310), (310, 59448), (372, 49540), (465, 39632), (496, 37155), (620, 29724), (744, 24770), (930, 19816), (1240, 14862), (1488, 12385), (1860, 9908), (2477, 7440), (2480, 7431), (3720, 4954)]