197690520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1825

約数の個数: 128

約数和(自身を含む): 634314240

約数和(自身を除く): 436623720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1380, 1640, 1747, 1886, 2460, 2760, 2829, 3494, 3772, 4715, 4920, 5241, 5658, 6988, 7544, 8735, 9430, 10482, 11316, 13976, 14145, 17470, 18860, 20964, 22632, 26205, 28290, 34940, 37720, 40181, 41928, 52410, 56580, 69880, 71627, 80362, 104820, 113160, 120543, 143254, 160724, 200905, 209640, 214881, 241086, 286508, 321448, 358135, 401810, 429762, 482172, 573016, 602715, 716270, 803620, 859524, 964344, 1074405, 1205430, 1432540, 1607240, 1647421, 1719048, 2148810, 2410860, 2865080, 3294842, 4297620, 4821720, 4942263, 6589684, 8237105, 8595240, 9884526, 13179368, 16474210, 19769052, 24711315, 32948420, 39538104, 49422630, 65896840, 98845260, 197690520]

約数ペア:

[(1, 197690520), (2, 98845260), (3, 65896840), (4, 49422630), (5, 39538104), (6, 32948420), (8, 24711315), (10, 19769052), (12, 16474210), (15, 13179368), (20, 9884526), (23, 8595240), (24, 8237105), (30, 6589684), (40, 4942263), (41, 4821720), (46, 4297620), (60, 3294842), (69, 2865080), (82, 2410860), (92, 2148810), (115, 1719048), (120, 1647421), (123, 1607240), (138, 1432540), (164, 1205430), (184, 1074405), (205, 964344), (230, 859524), (246, 803620), (276, 716270), (328, 602715), (345, 573016), (410, 482172), (460, 429762), (492, 401810), (552, 358135), (615, 321448), (690, 286508), (820, 241086), (920, 214881), (943, 209640), (984, 200905), (1230, 160724), (1380, 143254), (1640, 120543), (1747, 113160), (1886, 104820), (2460, 80362), (2760, 71627), (2829, 69880), (3494, 56580), (3772, 52410), (4715, 41928), (4920, 40181), (5241, 37720), (5658, 34940), (6988, 28290), (7544, 26205), (8735, 22632), (9430, 20964), (10482, 18860), (11316, 17470), (13976, 14145)]