80758980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19507}}^1$

素因数の和:19545

約数の個数: 72

約数和(自身を含む): 255632832

約数和(自身を除く): 174873852

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, 19507, 39014, 58521, 78028, 97535, 117042, 175563, 195070, 234084, 292605, 351126, 390140, 448661, 585210, 702252, 877815, 897322, 1170420, 1345983, 1755630, 1794644, 2243305, 2691966, 3511260, 4037949, 4486610, 5383932, 6729915, 8075898, 8973220, 13459830, 16151796, 20189745, 26919660, 40379490, 80758980]

約数ペア:

[(1, 80758980), (2, 40379490), (3, 26919660), (4, 20189745), (5, 16151796), (6, 13459830), (9, 8973220), (10, 8075898), (12, 6729915), (15, 5383932), (18, 4486610), (20, 4037949), (23, 3511260), (30, 2691966), (36, 2243305), (45, 1794644), (46, 1755630), (60, 1345983), (69, 1170420), (90, 897322), (92, 877815), (115, 702252), (138, 585210), (180, 448661), (207, 390140), (230, 351126), (276, 292605), (345, 234084), (414, 195070), (460, 175563), (690, 117042), (828, 97535), (1035, 78028), (1380, 58521), (2070, 39014), (4140, 19507)]