81845040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14827}}^1$

素因数の和:14866

約数の個数: 80

約数和(自身を含む): 264768768

約数和(自身を除く): 182923728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 14827, 29654, 44481, 59308, 74135, 88962, 118616, 148270, 177924, 222405, 237232, 296540, 341021, 355848, 444810, 593080, 682042, 711696, 889620, 1023063, 1186160, 1364084, 1705105, 1779240, 2046126, 2728168, 3410210, 3558480, 4092252, 5115315, 5456336, 6820420, 8184504, 10230630, 13640840, 16369008, 20461260, 27281680, 40922520, 81845040]

約数ペア:

[(1, 81845040), (2, 40922520), (3, 27281680), (4, 20461260), (5, 16369008), (6, 13640840), (8, 10230630), (10, 8184504), (12, 6820420), (15, 5456336), (16, 5115315), (20, 4092252), (23, 3558480), (24, 3410210), (30, 2728168), (40, 2046126), (46, 1779240), (48, 1705105), (60, 1364084), (69, 1186160), (80, 1023063), (92, 889620), (115, 711696), (120, 682042), (138, 593080), (184, 444810), (230, 355848), (240, 341021), (276, 296540), (345, 237232), (368, 222405), (460, 177924), (552, 148270), (690, 118616), (920, 88962), (1104, 74135), (1380, 59308), (1840, 44481), (2760, 29654), (5520, 14827)]