57217560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20731}}^1$

素因数の和:20768

約数の個数: 64

約数和(自身を含む): 179124480

約数和(自身を除く): 121906920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 20731, 41462, 62193, 82924, 103655, 124386, 165848, 207310, 248772, 310965, 414620, 476813, 497544, 621930, 829240, 953626, 1243860, 1430439, 1907252, 2384065, 2487720, 2860878, 3814504, 4768130, 5721756, 7152195, 9536260, 11443512, 14304390, 19072520, 28608780, 57217560]

約数ペア:

[(1, 57217560), (2, 28608780), (3, 19072520), (4, 14304390), (5, 11443512), (6, 9536260), (8, 7152195), (10, 5721756), (12, 4768130), (15, 3814504), (20, 2860878), (23, 2487720), (24, 2384065), (30, 1907252), (40, 1430439), (46, 1243860), (60, 953626), (69, 829240), (92, 621930), (115, 497544), (120, 476813), (138, 414620), (184, 310965), (230, 248772), (276, 207310), (345, 165848), (460, 124386), (552, 103655), (690, 82924), (920, 62193), (1380, 41462), (2760, 20731)]