257240160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178639}}^1$

素因数の和:178660

約数の個数: 72

約数和(自身を含む): 877836960

約数和(自身を除く): 620596800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178639, 357278, 535917, 714556, 893195, 1071834, 1429112, 1607751, 1786390, 2143668, 2679585, 2858224, 3215502, 3572780, 4287336, 5359170, 5716448, 6431004, 7145560, 8038755, 8574672, 10718340, 12862008, 14291120, 16077510, 17149344, 21436680, 25724016, 28582240, 32155020, 42873360, 51448032, 64310040, 85746720, 128620080, 257240160]

約数ペア:

[(1, 257240160), (2, 128620080), (3, 85746720), (4, 64310040), (5, 51448032), (6, 42873360), (8, 32155020), (9, 28582240), (10, 25724016), (12, 21436680), (15, 17149344), (16, 16077510), (18, 14291120), (20, 12862008), (24, 10718340), (30, 8574672), (32, 8038755), (36, 7145560), (40, 6431004), (45, 5716448), (48, 5359170), (60, 4287336), (72, 3572780), (80, 3215502), (90, 2858224), (96, 2679585), (120, 2143668), (144, 1786390), (160, 1607751), (180, 1429112), (240, 1071834), (288, 893195), (360, 714556), (480, 535917), (720, 357278), (1440, 178639)]