81878880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3967}}^1$

素因数の和:4028

約数の個数: 96

約数和(自身を含む): 263983104

約数和(自身を除く): 182104224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 3967, 4128, 5160, 6880, 7934, 10320, 11901, 15868, 19835, 20640, 23802, 31736, 39670, 47604, 59505, 63472, 79340, 95208, 119010, 126944, 158680, 170581, 190416, 238020, 317360, 341162, 380832, 476040, 511743, 634720, 682324, 852905, 952080, 1023486, 1364648, 1705810, 1904160, 2046972, 2558715, 2729296, 3411620, 4093944, 5117430, 5458592, 6823240, 8187888, 10234860, 13646480, 16375776, 20469720, 27292960, 40939440, 81878880]

約数ペア:

[(1, 81878880), (2, 40939440), (3, 27292960), (4, 20469720), (5, 16375776), (6, 13646480), (8, 10234860), (10, 8187888), (12, 6823240), (15, 5458592), (16, 5117430), (20, 4093944), (24, 3411620), (30, 2729296), (32, 2558715), (40, 2046972), (43, 1904160), (48, 1705810), (60, 1364648), (80, 1023486), (86, 952080), (96, 852905), (120, 682324), (129, 634720), (160, 511743), (172, 476040), (215, 380832), (240, 341162), (258, 317360), (344, 238020), (430, 190416), (480, 170581), (516, 158680), (645, 126944), (688, 119010), (860, 95208), (1032, 79340), (1290, 63472), (1376, 59505), (1720, 47604), (2064, 39670), (2580, 31736), (3440, 23802), (3967, 20640), (4128, 19835), (5160, 15868), (6880, 11901), (7934, 10320)]