278736120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19886

約数の個数: 128

約数和(自身を含む): 1000641600

約数和(自身を除く): 721905480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 178677, 198530, 238236, 258089, 297795, 357354, 397060, 476472, 516178, 536031, 595590, 714708, 774267, 794120, 893385, 1032356, 1072062, 1191180, 1290445, 1429416, 1548534, 1786770, 2064712, 2144124, 2322801, 2382360, 2580890, 2680155, 3097068, 3573540, 3871335, 4288248, 4645602, 5161780, 5360310, 6194136, 6968403, 7147080, 7742670, 9291204, 10323560, 10720620, 11614005, 13936806, 15485340, 18582408, 21441240, 23228010, 27873612, 30970680, 34842015, 46456020, 55747224, 69684030, 92912040, 139368060, 278736120]

約数ペア:

[(1, 278736120), (2, 139368060), (3, 92912040), (4, 69684030), (5, 55747224), (6, 46456020), (8, 34842015), (9, 30970680), (10, 27873612), (12, 23228010), (13, 21441240), (15, 18582408), (18, 15485340), (20, 13936806), (24, 11614005), (26, 10720620), (27, 10323560), (30, 9291204), (36, 7742670), (39, 7147080), (40, 6968403), (45, 6194136), (52, 5360310), (54, 5161780), (60, 4645602), (65, 4288248), (72, 3871335), (78, 3573540), (90, 3097068), (104, 2680155), (108, 2580890), (117, 2382360), (120, 2322801), (130, 2144124), (135, 2064712), (156, 1786770), (180, 1548534), (195, 1429416), (216, 1290445), (234, 1191180), (260, 1072062), (270, 1032356), (312, 893385), (351, 794120), (360, 774267), (390, 714708), (468, 595590), (520, 536031), (540, 516178), (585, 476472), (702, 397060), (780, 357354), (936, 297795), (1080, 258089), (1170, 238236), (1404, 198530), (1560, 178677), (1755, 158824), (2340, 119118), (2808, 99265), (3510, 79412), (4680, 59559), (7020, 39706), (14040, 19853)]