7918530880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61403}}^1$

素因数の和:61464

約数の個数: 112

約数和(自身を含む): 20961851904

約数和(自身を除く): 13043321024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 16120, 25792, 32240, 61403, 64480, 122806, 128960, 245612, 307015, 491224, 614030, 798239, 982448, 1228060, 1596478, 1903493, 1964896, 2456120, 3192956, 3806986, 3929792, 3991195, 4912240, 6385912, 7613972, 7982390, 9517465, 9824480, 12771824, 15227944, 15964780, 19034930, 19648960, 24745409, 25543648, 30455888, 31929560, 38069860, 49490818, 51087296, 60911776, 63859120, 76139720, 98981636, 121823552, 123727045, 127718240, 152279440, 197963272, 247454090, 255436480, 304558880, 395926544, 494908180, 609117760, 791853088, 989816360, 1583706176, 1979632720, 3959265440, 7918530880]

約数ペア:

[(1, 7918530880), (2, 3959265440), (4, 1979632720), (5, 1583706176), (8, 989816360), (10, 791853088), (13, 609117760), (16, 494908180), (20, 395926544), (26, 304558880), (31, 255436480), (32, 247454090), (40, 197963272), (52, 152279440), (62, 127718240), (64, 123727045), (65, 121823552), (80, 98981636), (104, 76139720), (124, 63859120), (130, 60911776), (155, 51087296), (160, 49490818), (208, 38069860), (248, 31929560), (260, 30455888), (310, 25543648), (320, 24745409), (403, 19648960), (416, 19034930), (496, 15964780), (520, 15227944), (620, 12771824), (806, 9824480), (832, 9517465), (992, 7982390), (1040, 7613972), (1240, 6385912), (1612, 4912240), (1984, 3991195), (2015, 3929792), (2080, 3806986), (2480, 3192956), (3224, 2456120), (4030, 1964896), (4160, 1903493), (4960, 1596478), (6448, 1228060), (8060, 982448), (9920, 798239), (12896, 614030), (16120, 491224), (25792, 307015), (32240, 245612), (61403, 128960), (64480, 122806)]