287222520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{184117}}^1$

素因数の和:184144

約数の個数: 64

約数和(自身を含む): 927954720

約数和(自身を除く): 640732200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 184117, 368234, 552351, 736468, 920585, 1104702, 1472936, 1841170, 2209404, 2393521, 2761755, 3682340, 4418808, 4787042, 5523510, 7180563, 7364680, 9574084, 11047020, 11967605, 14361126, 19148168, 22094040, 23935210, 28722252, 35902815, 47870420, 57444504, 71805630, 95740840, 143611260, 287222520]

約数ペア:

[(1, 287222520), (2, 143611260), (3, 95740840), (4, 71805630), (5, 57444504), (6, 47870420), (8, 35902815), (10, 28722252), (12, 23935210), (13, 22094040), (15, 19148168), (20, 14361126), (24, 11967605), (26, 11047020), (30, 9574084), (39, 7364680), (40, 7180563), (52, 5523510), (60, 4787042), (65, 4418808), (78, 3682340), (104, 2761755), (120, 2393521), (130, 2209404), (156, 1841170), (195, 1472936), (260, 1104702), (312, 920585), (390, 736468), (520, 552351), (780, 368234), (1560, 184117)]