164837540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 96

約数和(自身を含む): 430080000

約数和(自身を除く): 265242460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 1999, 2170, 2356, 2660, 2945, 3998, 4123, 4340, 5890, 7996, 8246, 9995, 11780, 13993, 16492, 19990, 20615, 27986, 37981, 39980, 41230, 55972, 61969, 69965, 75962, 82460, 123938, 139930, 151924, 189905, 247876, 265867, 279860, 309845, 379810, 433783, 531734, 619690, 759620, 867566, 1063468, 1177411, 1239380, 1329335, 1735132, 2168915, 2354822, 2658670, 4337830, 4709644, 5317340, 5887055, 8241877, 8675660, 11774110, 16483754, 23548220, 32967508, 41209385, 82418770, 164837540]

約数ペア:

[(1, 164837540), (2, 82418770), (4, 41209385), (5, 32967508), (7, 23548220), (10, 16483754), (14, 11774110), (19, 8675660), (20, 8241877), (28, 5887055), (31, 5317340), (35, 4709644), (38, 4337830), (62, 2658670), (70, 2354822), (76, 2168915), (95, 1735132), (124, 1329335), (133, 1239380), (140, 1177411), (155, 1063468), (190, 867566), (217, 759620), (266, 619690), (310, 531734), (380, 433783), (434, 379810), (532, 309845), (589, 279860), (620, 265867), (665, 247876), (868, 189905), (1085, 151924), (1178, 139930), (1330, 123938), (1999, 82460), (2170, 75962), (2356, 69965), (2660, 61969), (2945, 55972), (3998, 41230), (4123, 39980), (4340, 37981), (5890, 27986), (7996, 20615), (8246, 19990), (9995, 16492), (11780, 13993)]