161223960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 497664000

約数和(自身を除く): 336440040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 127, 142, 149, 213, 254, 284, 298, 355, 381, 426, 447, 508, 568, 596, 635, 710, 745, 762, 852, 894, 1016, 1065, 1192, 1270, 1420, 1490, 1524, 1704, 1788, 1905, 2130, 2235, 2540, 2840, 2980, 3048, 3576, 3810, 4260, 4470, 5080, 5960, 7620, 8520, 8940, 9017, 10579, 15240, 17880, 18034, 18923, 21158, 27051, 31737, 36068, 37846, 42316, 45085, 52895, 54102, 56769, 63474, 72136, 75692, 84632, 90170, 94615, 105790, 108204, 113538, 126948, 135255, 151384, 158685, 180340, 189230, 211580, 216408, 227076, 253896, 270510, 283845, 317370, 360680, 378460, 423160, 454152, 541020, 567690, 634740, 756920, 1082040, 1135380, 1269480, 1343533, 2270760, 2687066, 4030599, 5374132, 6717665, 8061198, 10748264, 13435330, 16122396, 20152995, 26870660, 32244792, 40305990, 53741320, 80611980, 161223960]

約数ペア:

[(1, 161223960), (2, 80611980), (3, 53741320), (4, 40305990), (5, 32244792), (6, 26870660), (8, 20152995), (10, 16122396), (12, 13435330), (15, 10748264), (20, 8061198), (24, 6717665), (30, 5374132), (40, 4030599), (60, 2687066), (71, 2270760), (120, 1343533), (127, 1269480), (142, 1135380), (149, 1082040), (213, 756920), (254, 634740), (284, 567690), (298, 541020), (355, 454152), (381, 423160), (426, 378460), (447, 360680), (508, 317370), (568, 283845), (596, 270510), (635, 253896), (710, 227076), (745, 216408), (762, 211580), (852, 189230), (894, 180340), (1016, 158685), (1065, 151384), (1192, 135255), (1270, 126948), (1420, 113538), (1490, 108204), (1524, 105790), (1704, 94615), (1788, 90170), (1905, 84632), (2130, 75692), (2235, 72136), (2540, 63474), (2840, 56769), (2980, 54102), (3048, 52895), (3576, 45085), (3810, 42316), (4260, 37846), (4470, 36068), (5080, 31737), (5960, 27051), (7620, 21158), (8520, 18923), (8940, 18034), (9017, 17880), (10579, 15240)]