61873020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31249}}^1$

素因数の和:31275

約数の個数: 72

約数和(自身を含む): 204750000

約数和(自身を除く): 142876980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 31249, 62498, 93747, 124996, 156245, 187494, 281241, 312490, 343739, 374988, 468735, 562482, 624980, 687478, 937470, 1031217, 1124964, 1374956, 1406205, 1718695, 1874940, 2062434, 2812410, 3093651, 3437390, 4124868, 5156085, 5624820, 6187302, 6874780, 10312170, 12374604, 15468255, 20624340, 30936510, 61873020]

約数ペア:

[(1, 61873020), (2, 30936510), (3, 20624340), (4, 15468255), (5, 12374604), (6, 10312170), (9, 6874780), (10, 6187302), (11, 5624820), (12, 5156085), (15, 4124868), (18, 3437390), (20, 3093651), (22, 2812410), (30, 2062434), (33, 1874940), (36, 1718695), (44, 1406205), (45, 1374956), (55, 1124964), (60, 1031217), (66, 937470), (90, 687478), (99, 624980), (110, 562482), (132, 468735), (165, 374988), (180, 343739), (198, 312490), (220, 281241), (330, 187494), (396, 156245), (495, 124996), (660, 93747), (990, 62498), (1980, 31249)]