28165140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4229}}^1$

素因数の和:4281

約数の個数: 72

約数和(自身を含む): 87764040

約数和(自身を除く): 59598900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4229, 6660, 8458, 12687, 16916, 21145, 25374, 38061, 42290, 50748, 63435, 76122, 84580, 126870, 152244, 156473, 190305, 253740, 312946, 380610, 469419, 625892, 761220, 782365, 938838, 1408257, 1564730, 1877676, 2347095, 2816514, 3129460, 4694190, 5633028, 7041285, 9388380, 14082570, 28165140]

約数ペア:

[(1, 28165140), (2, 14082570), (3, 9388380), (4, 7041285), (5, 5633028), (6, 4694190), (9, 3129460), (10, 2816514), (12, 2347095), (15, 1877676), (18, 1564730), (20, 1408257), (30, 938838), (36, 782365), (37, 761220), (45, 625892), (60, 469419), (74, 380610), (90, 312946), (111, 253740), (148, 190305), (180, 156473), (185, 152244), (222, 126870), (333, 84580), (370, 76122), (444, 63435), (555, 50748), (666, 42290), (740, 38061), (1110, 25374), (1332, 21145), (1665, 16916), (2220, 12687), (3330, 8458), (4229, 6660)]