11951680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 112

約数和(自身を含む): 32644080

約数和(自身を除く): 20692400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 260, 272, 320, 338, 340, 416, 442, 520, 544, 676, 680, 832, 845, 884, 1040, 1088, 1105, 1352, 1360, 1690, 1768, 2080, 2197, 2210, 2704, 2720, 2873, 3380, 3536, 4160, 4394, 4420, 5408, 5440, 5746, 6760, 7072, 8788, 8840, 10816, 10985, 11492, 13520, 14144, 14365, 17576, 17680, 21970, 22984, 27040, 28730, 35152, 35360, 37349, 43940, 45968, 54080, 57460, 70304, 70720, 74698, 87880, 91936, 114920, 140608, 149396, 175760, 183872, 186745, 229840, 298792, 351520, 373490, 459680, 597584, 703040, 746980, 919360, 1195168, 1493960, 2390336, 2987920, 5975840, 11951680]

約数ペア:

[(1, 11951680), (2, 5975840), (4, 2987920), (5, 2390336), (8, 1493960), (10, 1195168), (13, 919360), (16, 746980), (17, 703040), (20, 597584), (26, 459680), (32, 373490), (34, 351520), (40, 298792), (52, 229840), (64, 186745), (65, 183872), (68, 175760), (80, 149396), (85, 140608), (104, 114920), (130, 91936), (136, 87880), (160, 74698), (169, 70720), (170, 70304), (208, 57460), (221, 54080), (260, 45968), (272, 43940), (320, 37349), (338, 35360), (340, 35152), (416, 28730), (442, 27040), (520, 22984), (544, 21970), (676, 17680), (680, 17576), (832, 14365), (845, 14144), (884, 13520), (1040, 11492), (1088, 10985), (1105, 10816), (1352, 8840), (1360, 8788), (1690, 7072), (1768, 6760), (2080, 5746), (2197, 5440), (2210, 5408), (2704, 4420), (2720, 4394), (2873, 4160), (3380, 3536)]