87500840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 235699200

約数和(自身を除く): 148198360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 61, 70, 94, 109, 122, 140, 188, 218, 235, 244, 280, 305, 329, 376, 427, 436, 470, 488, 545, 610, 658, 763, 854, 872, 940, 1090, 1220, 1316, 1526, 1645, 1708, 1880, 2135, 2180, 2440, 2632, 2867, 3052, 3290, 3416, 3815, 4270, 4360, 5123, 5734, 6104, 6580, 6649, 7630, 8540, 10246, 11468, 13160, 13298, 14335, 15260, 17080, 20069, 20492, 22936, 25615, 26596, 28670, 30520, 33245, 35861, 40138, 40984, 46543, 51230, 53192, 57340, 66490, 71722, 80276, 93086, 100345, 102460, 114680, 132980, 143444, 160552, 179305, 186172, 200690, 204920, 232715, 265960, 286888, 312503, 358610, 372344, 401380, 465430, 625006, 717220, 802760, 930860, 1250012, 1434440, 1562515, 1861720, 2187521, 2500024, 3125030, 4375042, 6250060, 8750084, 10937605, 12500120, 17500168, 21875210, 43750420, 87500840]

約数ペア:

[(1, 87500840), (2, 43750420), (4, 21875210), (5, 17500168), (7, 12500120), (8, 10937605), (10, 8750084), (14, 6250060), (20, 4375042), (28, 3125030), (35, 2500024), (40, 2187521), (47, 1861720), (56, 1562515), (61, 1434440), (70, 1250012), (94, 930860), (109, 802760), (122, 717220), (140, 625006), (188, 465430), (218, 401380), (235, 372344), (244, 358610), (280, 312503), (305, 286888), (329, 265960), (376, 232715), (427, 204920), (436, 200690), (470, 186172), (488, 179305), (545, 160552), (610, 143444), (658, 132980), (763, 114680), (854, 102460), (872, 100345), (940, 93086), (1090, 80276), (1220, 71722), (1316, 66490), (1526, 57340), (1645, 53192), (1708, 51230), (1880, 46543), (2135, 40984), (2180, 40138), (2440, 35861), (2632, 33245), (2867, 30520), (3052, 28670), (3290, 26596), (3416, 25615), (3815, 22936), (4270, 20492), (4360, 20069), (5123, 17080), (5734, 15260), (6104, 14335), (6580, 13298), (6649, 13160), (7630, 11468), (8540, 10246)]