820784280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{112129}}^1$

素因数の和:112204

約数の個数: 64

約数和(自身を含む): 2502741600

約数和(自身を除く): 1681957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 112129, 224258, 336387, 448516, 560645, 672774, 897032, 1121290, 1345548, 1681935, 2242580, 2691096, 3363870, 4485160, 6727740, 6839869, 13455480, 13679738, 20519607, 27359476, 34199345, 41039214, 54718952, 68398690, 82078428, 102598035, 136797380, 164156856, 205196070, 273594760, 410392140, 820784280]

約数ペア:

[(1, 820784280), (2, 410392140), (3, 273594760), (4, 205196070), (5, 164156856), (6, 136797380), (8, 102598035), (10, 82078428), (12, 68398690), (15, 54718952), (20, 41039214), (24, 34199345), (30, 27359476), (40, 20519607), (60, 13679738), (61, 13455480), (120, 6839869), (122, 6727740), (183, 4485160), (244, 3363870), (305, 2691096), (366, 2242580), (488, 1681935), (610, 1345548), (732, 1121290), (915, 897032), (1220, 672774), (1464, 560645), (1830, 448516), (2440, 336387), (3660, 224258), (7320, 112129)]