38978460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2609}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 119705040

約数和(自身を除く): 80726580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2609, 2988, 3735, 4980, 5218, 7470, 7827, 10436, 13045, 14940, 15654, 23481, 26090, 31308, 39135, 46962, 52180, 78270, 93924, 117405, 156540, 216547, 234810, 433094, 469620, 649641, 866188, 1082735, 1299282, 1948923, 2165470, 2598564, 3248205, 3897846, 4330940, 6496410, 7795692, 9744615, 12992820, 19489230, 38978460]

約数ペア:

[(1, 38978460), (2, 19489230), (3, 12992820), (4, 9744615), (5, 7795692), (6, 6496410), (9, 4330940), (10, 3897846), (12, 3248205), (15, 2598564), (18, 2165470), (20, 1948923), (30, 1299282), (36, 1082735), (45, 866188), (60, 649641), (83, 469620), (90, 433094), (166, 234810), (180, 216547), (249, 156540), (332, 117405), (415, 93924), (498, 78270), (747, 52180), (830, 46962), (996, 39135), (1245, 31308), (1494, 26090), (1660, 23481), (2490, 15654), (2609, 14940), (2988, 13045), (3735, 10436), (4980, 7827), (5218, 7470)]