80611980

素因数分解:

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

素因数の和:359

約数の個数: 96

約数和(自身を含む): 232243200

約数和(自身を除く): 151631220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 127, 142, 149, 213, 254, 284, 298, 355, 381, 426, 447, 508, 596, 635, 710, 745, 762, 852, 894, 1065, 1270, 1420, 1490, 1524, 1788, 1905, 2130, 2235, 2540, 2980, 3810, 4260, 4470, 7620, 8940, 9017, 10579, 18034, 18923, 21158, 27051, 31737, 36068, 37846, 42316, 45085, 52895, 54102, 56769, 63474, 75692, 90170, 94615, 105790, 108204, 113538, 126948, 135255, 158685, 180340, 189230, 211580, 227076, 270510, 283845, 317370, 378460, 541020, 567690, 634740, 1135380, 1343533, 2687066, 4030599, 5374132, 6717665, 8061198, 13435330, 16122396, 20152995, 26870660, 40305990, 80611980]

約数ペア:

[(1, 80611980), (2, 40305990), (3, 26870660), (4, 20152995), (5, 16122396), (6, 13435330), (10, 8061198), (12, 6717665), (15, 5374132), (20, 4030599), (30, 2687066), (60, 1343533), (71, 1135380), (127, 634740), (142, 567690), (149, 541020), (213, 378460), (254, 317370), (284, 283845), (298, 270510), (355, 227076), (381, 211580), (426, 189230), (447, 180340), (508, 158685), (596, 135255), (635, 126948), (710, 113538), (745, 108204), (762, 105790), (852, 94615), (894, 90170), (1065, 75692), (1270, 63474), (1420, 56769), (1490, 54102), (1524, 52895), (1788, 45085), (1905, 42316), (2130, 37846), (2235, 36068), (2540, 31737), (2980, 27051), (3810, 21158), (4260, 18923), (4470, 18034), (7620, 10579), (8940, 9017)]