28137060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 98856576

約数和(自身を除く): 70719516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 163, 180, 210, 252, 274, 315, 326, 411, 420, 489, 548, 630, 652, 685, 815, 822, 959, 978, 1141, 1233, 1260, 1370, 1467, 1630, 1644, 1918, 1956, 2055, 2282, 2445, 2466, 2740, 2877, 2934, 3260, 3423, 3836, 4110, 4564, 4795, 4890, 4932, 5705, 5754, 5868, 6165, 6846, 7335, 8220, 8631, 9590, 9780, 10269, 11410, 11508, 12330, 13692, 14385, 14670, 17115, 17262, 19180, 20538, 22331, 22820, 24660, 28770, 29340, 34230, 34524, 41076, 43155, 44662, 51345, 57540, 66993, 68460, 86310, 89324, 102690, 111655, 133986, 156317, 172620, 200979, 205380, 223310, 267972, 312634, 334965, 401958, 446620, 468951, 625268, 669930, 781585, 803916, 937902, 1004895, 1339860, 1406853, 1563170, 1875804, 2009790, 2344755, 2813706, 3126340, 4019580, 4689510, 5627412, 7034265, 9379020, 14068530, 28137060]

約数ペア:

[(1, 28137060), (2, 14068530), (3, 9379020), (4, 7034265), (5, 5627412), (6, 4689510), (7, 4019580), (9, 3126340), (10, 2813706), (12, 2344755), (14, 2009790), (15, 1875804), (18, 1563170), (20, 1406853), (21, 1339860), (28, 1004895), (30, 937902), (35, 803916), (36, 781585), (42, 669930), (45, 625268), (60, 468951), (63, 446620), (70, 401958), (84, 334965), (90, 312634), (105, 267972), (126, 223310), (137, 205380), (140, 200979), (163, 172620), (180, 156317), (210, 133986), (252, 111655), (274, 102690), (315, 89324), (326, 86310), (411, 68460), (420, 66993), (489, 57540), (548, 51345), (630, 44662), (652, 43155), (685, 41076), (815, 34524), (822, 34230), (959, 29340), (978, 28770), (1141, 24660), (1233, 22820), (1260, 22331), (1370, 20538), (1467, 19180), (1630, 17262), (1644, 17115), (1918, 14670), (1956, 14385), (2055, 13692), (2282, 12330), (2445, 11508), (2466, 11410), (2740, 10269), (2877, 9780), (2934, 9590), (3260, 8631), (3423, 8220), (3836, 7335), (4110, 6846), (4564, 6165), (4795, 5868), (4890, 5754), (4932, 5705)]