15721667520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1259749}}^1$

素因数の和:1259782

約数の個数: 112

約数和(自身を含む): 53756052000

約数和(自身を除く): 38034384480

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, 1259749, 2519498, 3779247, 5038996, 6298745, 7558494, 10077992, 12597490, 15116988, 16376737, 18896235, 20155984, 25194980, 30233976, 32753474, 37792470, 40311968, 49130211, 50389960, 60467952, 65506948, 75584940, 80623936, 81883685, 98260422, 100779920, 120935904, 131013896, 151169880, 163767370, 196520844, 201559840, 241871808, 245651055, 262027792, 302339760, 327534740, 393041688, 403119680, 491302110, 524055584, 604679520, 655069480, 786083376, 982604220, 1048111168, 1209359040, 1310138960, 1572166752, 1965208440, 2620277920, 3144333504, 3930416880, 5240555840, 7860833760, 15721667520]

約数ペア:

[(1, 15721667520), (2, 7860833760), (3, 5240555840), (4, 3930416880), (5, 3144333504), (6, 2620277920), (8, 1965208440), (10, 1572166752), (12, 1310138960), (13, 1209359040), (15, 1048111168), (16, 982604220), (20, 786083376), (24, 655069480), (26, 604679520), (30, 524055584), (32, 491302110), (39, 403119680), (40, 393041688), (48, 327534740), (52, 302339760), (60, 262027792), (64, 245651055), (65, 241871808), (78, 201559840), (80, 196520844), (96, 163767370), (104, 151169880), (120, 131013896), (130, 120935904), (156, 100779920), (160, 98260422), (192, 81883685), (195, 80623936), (208, 75584940), (240, 65506948), (260, 60467952), (312, 50389960), (320, 49130211), (390, 40311968), (416, 37792470), (480, 32753474), (520, 30233976), (624, 25194980), (780, 20155984), (832, 18896235), (960, 16376737), (1040, 15116988), (1248, 12597490), (1560, 10077992), (2080, 7558494), (2496, 6298745), (3120, 5038996), (4160, 3779247), (6240, 2519498), (12480, 1259749)]