817402560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65497}}^1$

素因数の和:65530

約数の個数: 112

約数和(自身を含む): 2794930656

約数和(自身を除く): 1977528096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 65497, 130994, 196491, 261988, 327485, 392982, 523976, 654970, 785964, 851461, 982455, 1047952, 1309940, 1571928, 1702922, 1964910, 2095904, 2554383, 2619880, 3143856, 3405844, 3929820, 4191808, 4257305, 5108766, 5239760, 6287712, 6811688, 7859640, 8514610, 10217532, 10479520, 12575424, 12771915, 13623376, 15719280, 17029220, 20435064, 20959040, 25543830, 27246752, 31438560, 34058440, 40870128, 51087660, 54493504, 62877120, 68116880, 81740256, 102175320, 136233760, 163480512, 204350640, 272467520, 408701280, 817402560]

約数ペア:

[(1, 817402560), (2, 408701280), (3, 272467520), (4, 204350640), (5, 163480512), (6, 136233760), (8, 102175320), (10, 81740256), (12, 68116880), (13, 62877120), (15, 54493504), (16, 51087660), (20, 40870128), (24, 34058440), (26, 31438560), (30, 27246752), (32, 25543830), (39, 20959040), (40, 20435064), (48, 17029220), (52, 15719280), (60, 13623376), (64, 12771915), (65, 12575424), (78, 10479520), (80, 10217532), (96, 8514610), (104, 7859640), (120, 6811688), (130, 6287712), (156, 5239760), (160, 5108766), (192, 4257305), (195, 4191808), (208, 3929820), (240, 3405844), (260, 3143856), (312, 2619880), (320, 2554383), (390, 2095904), (416, 1964910), (480, 1702922), (520, 1571928), (624, 1309940), (780, 1047952), (832, 982455), (960, 851461), (1040, 785964), (1248, 654970), (1560, 523976), (2080, 392982), (2496, 327485), (3120, 261988), (4160, 196491), (6240, 130994), (12480, 65497)]