257241240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1613}}^1$

素因数の和:2073

約数の個数: 96

約数和(自身を含む): 838440720

約数和(自身を除く): 581199480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 443, 886, 1329, 1613, 1772, 2215, 2658, 3226, 3544, 3987, 4430, 4839, 5316, 6452, 6645, 7974, 8065, 8860, 9678, 10632, 12904, 13290, 14517, 15948, 16130, 17720, 19356, 19935, 24195, 26580, 29034, 31896, 32260, 38712, 39870, 48390, 53160, 58068, 64520, 72585, 79740, 96780, 116136, 145170, 159480, 193560, 290340, 580680, 714559, 1429118, 2143677, 2858236, 3572795, 4287354, 5716472, 6431031, 7145590, 8574708, 10718385, 12862062, 14291180, 17149416, 21436770, 25724124, 28582360, 32155155, 42873540, 51448248, 64310310, 85747080, 128620620, 257241240]

約数ペア:

[(1, 257241240), (2, 128620620), (3, 85747080), (4, 64310310), (5, 51448248), (6, 42873540), (8, 32155155), (9, 28582360), (10, 25724124), (12, 21436770), (15, 17149416), (18, 14291180), (20, 12862062), (24, 10718385), (30, 8574708), (36, 7145590), (40, 6431031), (45, 5716472), (60, 4287354), (72, 3572795), (90, 2858236), (120, 2143677), (180, 1429118), (360, 714559), (443, 580680), (886, 290340), (1329, 193560), (1613, 159480), (1772, 145170), (2215, 116136), (2658, 96780), (3226, 79740), (3544, 72585), (3987, 64520), (4430, 58068), (4839, 53160), (5316, 48390), (6452, 39870), (6645, 38712), (7974, 32260), (8065, 31896), (8860, 29034), (9678, 26580), (10632, 24195), (12904, 19935), (13290, 19356), (14517, 17720), (15948, 16130)]