128048040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{39521}}^1$

素因数の和:39544

約数の個数: 80

約数和(自身を含む): 430394580

約数和(自身を除く): 302346540

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, 39521, 79042, 118563, 158084, 197605, 237126, 316168, 355689, 395210, 474252, 592815, 711378, 790420, 948504, 1067067, 1185630, 1422756, 1580840, 1778445, 2134134, 2371260, 2845512, 3201201, 3556890, 4268268, 4742520, 5335335, 6402402, 7113780, 8536536, 10670670, 12804804, 14227560, 16006005, 21341340, 25609608, 32012010, 42682680, 64024020, 128048040]

約数ペア:

[(1, 128048040), (2, 64024020), (3, 42682680), (4, 32012010), (5, 25609608), (6, 21341340), (8, 16006005), (9, 14227560), (10, 12804804), (12, 10670670), (15, 8536536), (18, 7113780), (20, 6402402), (24, 5335335), (27, 4742520), (30, 4268268), (36, 3556890), (40, 3201201), (45, 2845512), (54, 2371260), (60, 2134134), (72, 1778445), (81, 1580840), (90, 1422756), (108, 1185630), (120, 1067067), (135, 948504), (162, 790420), (180, 711378), (216, 592815), (270, 474252), (324, 395210), (360, 355689), (405, 316168), (540, 237126), (648, 197605), (810, 158084), (1080, 118563), (1620, 79042), (3240, 39521)]