72285780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1118

約数の個数: 144

約数和(自身を含む): 245911680

約数和(自身を除く): 173625900

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, 1069, 1127, 1380, 1470, 1610, 1932, 2138, 2254, 2415, 2940, 3207, 3220, 3381, 4276, 4508, 4830, 5345, 5635, 6414, 6762, 7483, 9660, 10690, 11270, 12828, 13524, 14966, 16035, 16905, 21380, 22449, 22540, 24587, 29932, 32070, 33810, 37415, 44898, 49174, 52381, 64140, 67620, 73761, 74830, 89796, 98348, 104762, 112245, 122935, 147522, 149660, 157143, 172109, 209524, 224490, 245870, 261905, 295044, 314286, 344218, 368805, 448980, 491740, 516327, 523810, 628572, 688436, 737610, 785715, 860545, 1032654, 1047620, 1204763, 1475220, 1571430, 1721090, 2065308, 2409526, 2581635, 3142860, 3442180, 3614289, 4819052, 5163270, 6023815, 7228578, 10326540, 12047630, 14457156, 18071445, 24095260, 36142890, 72285780]

約数ペア:

[(1, 72285780), (2, 36142890), (3, 24095260), (4, 18071445), (5, 14457156), (6, 12047630), (7, 10326540), (10, 7228578), (12, 6023815), (14, 5163270), (15, 4819052), (20, 3614289), (21, 3442180), (23, 3142860), (28, 2581635), (30, 2409526), (35, 2065308), (42, 1721090), (46, 1571430), (49, 1475220), (60, 1204763), (69, 1047620), (70, 1032654), (84, 860545), (92, 785715), (98, 737610), (105, 688436), (115, 628572), (138, 523810), (140, 516327), (147, 491740), (161, 448980), (196, 368805), (210, 344218), (230, 314286), (245, 295044), (276, 261905), (294, 245870), (322, 224490), (345, 209524), (420, 172109), (460, 157143), (483, 149660), (490, 147522), (588, 122935), (644, 112245), (690, 104762), (735, 98348), (805, 89796), (966, 74830), (980, 73761), (1069, 67620), (1127, 64140), (1380, 52381), (1470, 49174), (1610, 44898), (1932, 37415), (2138, 33810), (2254, 32070), (2415, 29932), (2940, 24587), (3207, 22540), (3220, 22449), (3381, 21380), (4276, 16905), (4508, 16035), (4830, 14966), (5345, 13524), (5635, 12828), (6414, 11270), (6762, 10690), (7483, 9660)]