66488040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20521}}^1$

素因数の和:20544

約数の個数: 80

約数和(自身を含む): 223484580

約数和(自身を除く): 156996540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20521, 41042, 61563, 82084, 102605, 123126, 164168, 184689, 205210, 246252, 307815, 369378, 410420, 492504, 554067, 615630, 738756, 820840, 923445, 1108134, 1231260, 1477512, 1662201, 1846890, 2216268, 2462520, 2770335, 3324402, 3693780, 4432536, 5540670, 6648804, 7387560, 8311005, 11081340, 13297608, 16622010, 22162680, 33244020, 66488040]

約数ペア:

[(1, 66488040), (2, 33244020), (3, 22162680), (4, 16622010), (5, 13297608), (6, 11081340), (8, 8311005), (9, 7387560), (10, 6648804), (12, 5540670), (15, 4432536), (18, 3693780), (20, 3324402), (24, 2770335), (27, 2462520), (30, 2216268), (36, 1846890), (40, 1662201), (45, 1477512), (54, 1231260), (60, 1108134), (72, 923445), (81, 820840), (90, 738756), (108, 615630), (120, 554067), (135, 492504), (162, 410420), (180, 369378), (216, 307815), (270, 246252), (324, 205210), (360, 184689), (405, 164168), (540, 123126), (648, 102605), (810, 82084), (1080, 61563), (1620, 41042), (3240, 20521)]