68740020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 219168768

約数和(自身を除く): 150428748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 127, 155, 180, 186, 194, 254, 279, 291, 310, 372, 381, 388, 465, 485, 508, 558, 582, 620, 635, 762, 873, 930, 970, 1116, 1143, 1164, 1270, 1395, 1455, 1524, 1746, 1860, 1905, 1940, 2286, 2540, 2790, 2910, 3007, 3492, 3810, 3937, 4365, 4572, 5580, 5715, 5820, 6014, 7620, 7874, 8730, 9021, 11430, 11811, 12028, 12319, 15035, 15748, 17460, 18042, 19685, 22860, 23622, 24638, 27063, 30070, 35433, 36084, 36957, 39370, 45105, 47244, 49276, 54126, 59055, 60140, 61595, 70866, 73914, 78740, 90210, 108252, 110871, 118110, 123190, 135315, 141732, 147828, 177165, 180420, 184785, 221742, 236220, 246380, 270630, 354330, 369570, 381889, 443484, 541260, 554355, 708660, 739140, 763778, 1108710, 1145667, 1527556, 1909445, 2217420, 2291334, 3437001, 3818890, 4582668, 5728335, 6874002, 7637780, 11456670, 13748004, 17185005, 22913340, 34370010, 68740020]

約数ペア:

[(1, 68740020), (2, 34370010), (3, 22913340), (4, 17185005), (5, 13748004), (6, 11456670), (9, 7637780), (10, 6874002), (12, 5728335), (15, 4582668), (18, 3818890), (20, 3437001), (30, 2291334), (31, 2217420), (36, 1909445), (45, 1527556), (60, 1145667), (62, 1108710), (90, 763778), (93, 739140), (97, 708660), (124, 554355), (127, 541260), (155, 443484), (180, 381889), (186, 369570), (194, 354330), (254, 270630), (279, 246380), (291, 236220), (310, 221742), (372, 184785), (381, 180420), (388, 177165), (465, 147828), (485, 141732), (508, 135315), (558, 123190), (582, 118110), (620, 110871), (635, 108252), (762, 90210), (873, 78740), (930, 73914), (970, 70866), (1116, 61595), (1143, 60140), (1164, 59055), (1270, 54126), (1395, 49276), (1455, 47244), (1524, 45105), (1746, 39370), (1860, 36957), (1905, 36084), (1940, 35433), (2286, 30070), (2540, 27063), (2790, 24638), (2910, 23622), (3007, 22860), (3492, 19685), (3810, 18042), (3937, 17460), (4365, 15748), (4572, 15035), (5580, 12319), (5715, 12028), (5820, 11811), (6014, 11430), (7620, 9021), (7874, 8730)]