217781460

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 192

約数和(自身を含む): 740597760

約数和(自身を除く): 522816300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 383, 390, 405, 468, 486, 540, 585, 702, 729, 766, 780, 810, 972, 1053, 1149, 1170, 1215, 1404, 1458, 1532, 1620, 1755, 1915, 2106, 2187, 2298, 2340, 2430, 2916, 3159, 3447, 3510, 3645, 3830, 4212, 4374, 4596, 4860, 4979, 5265, 5745, 6318, 6894, 7020, 7290, 7660, 8748, 9477, 9958, 10341, 10530, 10935, 11490, 12636, 13788, 14580, 14937, 15795, 17235, 18954, 19916, 20682, 21060, 21870, 22980, 24895, 28431, 29874, 31023, 31590, 34470, 37908, 41364, 43740, 44811, 47385, 49790, 51705, 56862, 59748, 62046, 63180, 68940, 74685, 89622, 93069, 94770, 99580, 103410, 113724, 124092, 134433, 142155, 149370, 155115, 179244, 186138, 189540, 206820, 224055, 268866, 279207, 284310, 298740, 310230, 372276, 403299, 448110, 465345, 537732, 558414, 568620, 620460, 672165, 806598, 837621, 896220, 930690, 1116828, 1209897, 1344330, 1396035, 1613196, 1675242, 1861380, 2016495, 2419794, 2688660, 2792070, 3350484, 3629691, 4032990, 4188105, 4839588, 5584140, 6049485, 7259382, 8065980, 8376210, 10889073, 12098970, 14518764, 16752420, 18148455, 21778146, 24197940, 36296910, 43556292, 54445365, 72593820, 108890730, 217781460]

約数ペア:

[(1, 217781460), (2, 108890730), (3, 72593820), (4, 54445365), (5, 43556292), (6, 36296910), (9, 24197940), (10, 21778146), (12, 18148455), (13, 16752420), (15, 14518764), (18, 12098970), (20, 10889073), (26, 8376210), (27, 8065980), (30, 7259382), (36, 6049485), (39, 5584140), (45, 4839588), (52, 4188105), (54, 4032990), (60, 3629691), (65, 3350484), (78, 2792070), (81, 2688660), (90, 2419794), (108, 2016495), (117, 1861380), (130, 1675242), (135, 1613196), (156, 1396035), (162, 1344330), (180, 1209897), (195, 1116828), (234, 930690), (243, 896220), (260, 837621), (270, 806598), (324, 672165), (351, 620460), (383, 568620), (390, 558414), (405, 537732), (468, 465345), (486, 448110), (540, 403299), (585, 372276), (702, 310230), (729, 298740), (766, 284310), (780, 279207), (810, 268866), (972, 224055), (1053, 206820), (1149, 189540), (1170, 186138), (1215, 179244), (1404, 155115), (1458, 149370), (1532, 142155), (1620, 134433), (1755, 124092), (1915, 113724), (2106, 103410), (2187, 99580), (2298, 94770), (2340, 93069), (2430, 89622), (2916, 74685), (3159, 68940), (3447, 63180), (3510, 62046), (3645, 59748), (3830, 56862), (4212, 51705), (4374, 49790), (4596, 47385), (4860, 44811), (4979, 43740), (5265, 41364), (5745, 37908), (6318, 34470), (6894, 31590), (7020, 31023), (7290, 29874), (7660, 28431), (8748, 24895), (9477, 22980), (9958, 21870), (10341, 21060), (10530, 20682), (10935, 19916), (11490, 18954), (12636, 17235), (13788, 15795), (14580, 14937)]