8017729020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{205267}}^1$

素因数の和:205320

約数の個数: 144

約数和(自身を含む): 28691539968

約数和(自身を除く): 20673810948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 205267, 410534, 615801, 821068, 1026335, 1231602, 1436869, 1847403, 2052670, 2463204, 2873738, 3079005, 3694806, 4105340, 4310607, 5747476, 6158010, 6363277, 7184345, 7389612, 8621214, 9237015, 12316020, 12726554, 12931821, 14368690, 17242428, 18474030, 19089831, 21553035, 25453108, 25863642, 28737380, 31816385, 36948060, 38179662, 43106070, 44542939, 51727284, 57269493, 63632770, 64659105, 76359324, 86212140, 89085878, 95449155, 114538986, 127265540, 129318210, 133628817, 178171756, 190898310, 222714695, 229077972, 258636420, 267257634, 286347465, 381796620, 400886451, 445429390, 534515268, 572694930, 668144085, 801772902, 890858780, 1145389860, 1336288170, 1603545804, 2004432255, 2672576340, 4008864510, 8017729020]

約数ペア:

[(1, 8017729020), (2, 4008864510), (3, 2672576340), (4, 2004432255), (5, 1603545804), (6, 1336288170), (7, 1145389860), (9, 890858780), (10, 801772902), (12, 668144085), (14, 572694930), (15, 534515268), (18, 445429390), (20, 400886451), (21, 381796620), (28, 286347465), (30, 267257634), (31, 258636420), (35, 229077972), (36, 222714695), (42, 190898310), (45, 178171756), (60, 133628817), (62, 129318210), (63, 127265540), (70, 114538986), (84, 95449155), (90, 89085878), (93, 86212140), (105, 76359324), (124, 64659105), (126, 63632770), (140, 57269493), (155, 51727284), (180, 44542939), (186, 43106070), (210, 38179662), (217, 36948060), (252, 31816385), (279, 28737380), (310, 25863642), (315, 25453108), (372, 21553035), (420, 19089831), (434, 18474030), (465, 17242428), (558, 14368690), (620, 12931821), (630, 12726554), (651, 12316020), (868, 9237015), (930, 8621214), (1085, 7389612), (1116, 7184345), (1260, 6363277), (1302, 6158010), (1395, 5747476), (1860, 4310607), (1953, 4105340), (2170, 3694806), (2604, 3079005), (2790, 2873738), (3255, 2463204), (3906, 2052670), (4340, 1847403), (5580, 1436869), (6510, 1231602), (7812, 1026335), (9765, 821068), (13020, 615801), (19530, 410534), (39060, 205267)]