254274480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 180

約数和(自身を含む): 878836608

約数和(自身を除く): 624562128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 191, 215, 240, 258, 344, 360, 382, 387, 430, 516, 573, 645, 688, 720, 764, 774, 860, 955, 1032, 1146, 1290, 1528, 1548, 1719, 1720, 1849, 1910, 1935, 2064, 2292, 2580, 2865, 3056, 3096, 3438, 3440, 3698, 3820, 3870, 4584, 5160, 5547, 5730, 6192, 6876, 7396, 7640, 7740, 8213, 8595, 9168, 9245, 10320, 11094, 11460, 13752, 14792, 15280, 15480, 16426, 16641, 17190, 18490, 22188, 22920, 24639, 27504, 27735, 29584, 30960, 32852, 33282, 34380, 36980, 41065, 44376, 45840, 49278, 55470, 65704, 66564, 68760, 73917, 73960, 82130, 83205, 88752, 98556, 110940, 123195, 131408, 133128, 137520, 147834, 147920, 164260, 166410, 197112, 221880, 246390, 266256, 295668, 328520, 332820, 353159, 369585, 394224, 443760, 492780, 591336, 657040, 665640, 706318, 739170, 985560, 1059477, 1182672, 1331280, 1412636, 1478340, 1765795, 1971120, 2118954, 2825272, 2956680, 3178431, 3531590, 4237908, 5297385, 5650544, 5913360, 6356862, 7063180, 8475816, 10594770, 12713724, 14126360, 15892155, 16951632, 21189540, 25427448, 28252720, 31784310, 42379080, 50854896, 63568620, 84758160, 127137240, 254274480]

約数ペア:

[(1, 254274480), (2, 127137240), (3, 84758160), (4, 63568620), (5, 50854896), (6, 42379080), (8, 31784310), (9, 28252720), (10, 25427448), (12, 21189540), (15, 16951632), (16, 15892155), (18, 14126360), (20, 12713724), (24, 10594770), (30, 8475816), (36, 7063180), (40, 6356862), (43, 5913360), (45, 5650544), (48, 5297385), (60, 4237908), (72, 3531590), (80, 3178431), (86, 2956680), (90, 2825272), (120, 2118954), (129, 1971120), (144, 1765795), (172, 1478340), (180, 1412636), (191, 1331280), (215, 1182672), (240, 1059477), (258, 985560), (344, 739170), (360, 706318), (382, 665640), (387, 657040), (430, 591336), (516, 492780), (573, 443760), (645, 394224), (688, 369585), (720, 353159), (764, 332820), (774, 328520), (860, 295668), (955, 266256), (1032, 246390), (1146, 221880), (1290, 197112), (1528, 166410), (1548, 164260), (1719, 147920), (1720, 147834), (1849, 137520), (1910, 133128), (1935, 131408), (2064, 123195), (2292, 110940), (2580, 98556), (2865, 88752), (3056, 83205), (3096, 82130), (3438, 73960), (3440, 73917), (3698, 68760), (3820, 66564), (3870, 65704), (4584, 55470), (5160, 49278), (5547, 45840), (5730, 44376), (6192, 41065), (6876, 36980), (7396, 34380), (7640, 33282), (7740, 32852), (8213, 30960), (8595, 29584), (9168, 27735), (9245, 27504), (10320, 24639), (11094, 22920), (11460, 22188), (13752, 18490), (14792, 17190), (15280, 16641), (15480, 16426)]