260404620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3900

約数の個数: 144

約数和(自身を含む): 885282048

約数和(自身を除く): 624877428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 3851, 4508, 4830, 5635, 6762, 7702, 9660, 11270, 11553, 13524, 15404, 16905, 19255, 22540, 23106, 26957, 33810, 38510, 46212, 53914, 57765, 67620, 77020, 80871, 88573, 107828, 115530, 134785, 161742, 177146, 188699, 231060, 265719, 269570, 323484, 354292, 377398, 404355, 442865, 531438, 539140, 566097, 620011, 754796, 808710, 885730, 943495, 1062876, 1132194, 1240022, 1328595, 1617420, 1771460, 1860033, 1886990, 2264388, 2480044, 2657190, 2830485, 3100055, 3720066, 3773980, 4340077, 5314380, 5660970, 6200110, 7440132, 8680154, 9300165, 11321940, 12400220, 13020231, 17360308, 18600330, 21700385, 26040462, 37200660, 43400770, 52080924, 65101155, 86801540, 130202310, 260404620]

約数ペア:

[(1, 260404620), (2, 130202310), (3, 86801540), (4, 65101155), (5, 52080924), (6, 43400770), (7, 37200660), (10, 26040462), (12, 21700385), (14, 18600330), (15, 17360308), (20, 13020231), (21, 12400220), (23, 11321940), (28, 9300165), (30, 8680154), (35, 7440132), (42, 6200110), (46, 5660970), (49, 5314380), (60, 4340077), (69, 3773980), (70, 3720066), (84, 3100055), (92, 2830485), (98, 2657190), (105, 2480044), (115, 2264388), (138, 1886990), (140, 1860033), (147, 1771460), (161, 1617420), (196, 1328595), (210, 1240022), (230, 1132194), (245, 1062876), (276, 943495), (294, 885730), (322, 808710), (345, 754796), (420, 620011), (460, 566097), (483, 539140), (490, 531438), (588, 442865), (644, 404355), (690, 377398), (735, 354292), (805, 323484), (966, 269570), (980, 265719), (1127, 231060), (1380, 188699), (1470, 177146), (1610, 161742), (1932, 134785), (2254, 115530), (2415, 107828), (2940, 88573), (3220, 80871), (3381, 77020), (3851, 67620), (4508, 57765), (4830, 53914), (5635, 46212), (6762, 38510), (7702, 33810), (9660, 26957), (11270, 23106), (11553, 22540), (13524, 19255), (15404, 16905)]