87854940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21221}}^1$

素因数の和:21259

約数の個数: 72

約数和(自身を含む): 278093088

約数和(自身を除く): 190238148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21221, 42442, 63663, 84884, 106105, 127326, 190989, 212210, 254652, 318315, 381978, 424420, 488083, 636630, 763956, 954945, 976166, 1273260, 1464249, 1909890, 1952332, 2440415, 2928498, 3819780, 4392747, 4880830, 5856996, 7321245, 8785494, 9761660, 14642490, 17570988, 21963735, 29284980, 43927470, 87854940]

約数ペア:

[(1, 87854940), (2, 43927470), (3, 29284980), (4, 21963735), (5, 17570988), (6, 14642490), (9, 9761660), (10, 8785494), (12, 7321245), (15, 5856996), (18, 4880830), (20, 4392747), (23, 3819780), (30, 2928498), (36, 2440415), (45, 1952332), (46, 1909890), (60, 1464249), (69, 1273260), (90, 976166), (92, 954945), (115, 763956), (138, 636630), (180, 488083), (207, 424420), (230, 381978), (276, 318315), (345, 254652), (414, 212210), (460, 190989), (690, 127326), (828, 106105), (1035, 84884), (1380, 63663), (2070, 42442), (4140, 21221)]