243555520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 112

約数和(自身を含む): 630862848

約数和(自身を除く): 387307328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 461, 508, 520, 635, 832, 922, 1016, 1040, 1270, 1651, 1844, 2032, 2080, 2305, 2540, 3302, 3688, 4064, 4160, 4610, 5080, 5993, 6604, 7376, 8128, 8255, 9220, 10160, 11986, 13208, 14752, 16510, 18440, 20320, 23972, 26416, 29504, 29965, 33020, 36880, 40640, 47944, 52832, 58547, 59930, 66040, 73760, 95888, 105664, 117094, 119860, 132080, 147520, 191776, 234188, 239720, 264160, 292735, 383552, 468376, 479440, 528320, 585470, 761111, 936752, 958880, 1170940, 1522222, 1873504, 1917760, 2341880, 3044444, 3747008, 3805555, 4683760, 6088888, 7611110, 9367520, 12177776, 15222220, 18735040, 24355552, 30444440, 48711104, 60888880, 121777760, 243555520]

約数ペア:

[(1, 243555520), (2, 121777760), (4, 60888880), (5, 48711104), (8, 30444440), (10, 24355552), (13, 18735040), (16, 15222220), (20, 12177776), (26, 9367520), (32, 7611110), (40, 6088888), (52, 4683760), (64, 3805555), (65, 3747008), (80, 3044444), (104, 2341880), (127, 1917760), (130, 1873504), (160, 1522222), (208, 1170940), (254, 958880), (260, 936752), (320, 761111), (416, 585470), (461, 528320), (508, 479440), (520, 468376), (635, 383552), (832, 292735), (922, 264160), (1016, 239720), (1040, 234188), (1270, 191776), (1651, 147520), (1844, 132080), (2032, 119860), (2080, 117094), (2305, 105664), (2540, 95888), (3302, 73760), (3688, 66040), (4064, 59930), (4160, 58547), (4610, 52832), (5080, 47944), (5993, 40640), (6604, 36880), (7376, 33020), (8128, 29965), (8255, 29504), (9220, 26416), (10160, 23972), (11986, 20320), (13208, 18440), (14752, 16510)]