87887960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 210561120

約数和(自身を除く): 122673160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 307, 340, 421, 614, 680, 842, 1228, 1535, 1684, 2105, 2456, 3070, 3368, 4210, 5219, 6140, 7157, 8420, 10438, 12280, 14314, 16840, 20876, 26095, 28628, 35785, 41752, 52190, 57256, 71570, 104380, 129247, 143140, 208760, 258494, 286280, 516988, 646235, 1033976, 1292470, 2197199, 2584940, 4394398, 5169880, 8788796, 10985995, 17577592, 21971990, 43943980, 87887960]

約数ペア:

[(1, 87887960), (2, 43943980), (4, 21971990), (5, 17577592), (8, 10985995), (10, 8788796), (17, 5169880), (20, 4394398), (34, 2584940), (40, 2197199), (68, 1292470), (85, 1033976), (136, 646235), (170, 516988), (307, 286280), (340, 258494), (421, 208760), (614, 143140), (680, 129247), (842, 104380), (1228, 71570), (1535, 57256), (1684, 52190), (2105, 41752), (2456, 35785), (3070, 28628), (3368, 26095), (4210, 20876), (5219, 16840), (6140, 14314), (7157, 12280), (8420, 10438)]