91715691080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{17189}}^1$

素因数の和:17575

約数の個数: 128

約数和(自身を含む): 230109465600

約数和(自身を除く): 138393774520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 331, 403, 520, 620, 662, 806, 1240, 1324, 1612, 1655, 2015, 2648, 3224, 3310, 4030, 4303, 6620, 8060, 8606, 10261, 13240, 16120, 17189, 17212, 20522, 21515, 34378, 34424, 41044, 43030, 51305, 68756, 82088, 85945, 86060, 102610, 133393, 137512, 171890, 172120, 205220, 223457, 266786, 343780, 410440, 446914, 532859, 533572, 666965, 687560, 893828, 1065718, 1067144, 1117285, 1333930, 1787656, 2131436, 2234570, 2664295, 2667860, 4262872, 4469140, 5328590, 5335720, 5689559, 6927167, 8938280, 10657180, 11379118, 13854334, 21314360, 22758236, 27708668, 28447795, 34635835, 45516472, 55417336, 56895590, 69271670, 73964267, 113791180, 138543340, 147928534, 176376329, 227582360, 277086680, 295857068, 352752658, 369821335, 591714136, 705505316, 739642670, 881881645, 1411010632, 1479285340, 1763763290, 2292892277, 2958570680, 3527526580, 4585784554, 7055053160, 9171569108, 11464461385, 18343138216, 22928922770, 45857845540, 91715691080]

約数ペア:

[(1, 91715691080), (2, 45857845540), (4, 22928922770), (5, 18343138216), (8, 11464461385), (10, 9171569108), (13, 7055053160), (20, 4585784554), (26, 3527526580), (31, 2958570680), (40, 2292892277), (52, 1763763290), (62, 1479285340), (65, 1411010632), (104, 881881645), (124, 739642670), (130, 705505316), (155, 591714136), (248, 369821335), (260, 352752658), (310, 295857068), (331, 277086680), (403, 227582360), (520, 176376329), (620, 147928534), (662, 138543340), (806, 113791180), (1240, 73964267), (1324, 69271670), (1612, 56895590), (1655, 55417336), (2015, 45516472), (2648, 34635835), (3224, 28447795), (3310, 27708668), (4030, 22758236), (4303, 21314360), (6620, 13854334), (8060, 11379118), (8606, 10657180), (10261, 8938280), (13240, 6927167), (16120, 5689559), (17189, 5335720), (17212, 5328590), (20522, 4469140), (21515, 4262872), (34378, 2667860), (34424, 2664295), (41044, 2234570), (43030, 2131436), (51305, 1787656), (68756, 1333930), (82088, 1117285), (85945, 1067144), (86060, 1065718), (102610, 893828), (133393, 687560), (137512, 666965), (171890, 533572), (172120, 532859), (205220, 446914), (223457, 410440), (266786, 343780)]