155379420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1120

約数の個数: 144

約数和(自身を含む): 543449088

約数和(自身を除く): 388069668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 971, 1143, 1260, 1270, 1524, 1778, 1905, 1942, 2286, 2540, 2667, 2913, 3556, 3810, 3884, 4445, 4572, 4855, 5334, 5715, 5826, 6797, 7620, 8001, 8739, 8890, 9710, 10668, 11430, 11652, 13335, 13594, 14565, 16002, 17478, 17780, 19420, 20391, 22860, 26670, 27188, 29130, 32004, 33985, 34956, 40005, 40782, 43695, 53340, 58260, 61173, 67970, 80010, 81564, 87390, 101955, 122346, 123317, 135940, 160020, 174780, 203910, 244692, 246634, 305865, 369951, 407820, 493268, 611730, 616585, 739902, 863219, 1109853, 1223460, 1233170, 1479804, 1726438, 1849755, 2219706, 2466340, 2589657, 3452876, 3699510, 4316095, 4439412, 5179314, 5549265, 7399020, 7768971, 8632190, 10358628, 11098530, 12948285, 15537942, 17264380, 22197060, 25896570, 31075884, 38844855, 51793140, 77689710, 155379420]

約数ペア:

[(1, 155379420), (2, 77689710), (3, 51793140), (4, 38844855), (5, 31075884), (6, 25896570), (7, 22197060), (9, 17264380), (10, 15537942), (12, 12948285), (14, 11098530), (15, 10358628), (18, 8632190), (20, 7768971), (21, 7399020), (28, 5549265), (30, 5179314), (35, 4439412), (36, 4316095), (42, 3699510), (45, 3452876), (60, 2589657), (63, 2466340), (70, 2219706), (84, 1849755), (90, 1726438), (105, 1479804), (126, 1233170), (127, 1223460), (140, 1109853), (180, 863219), (210, 739902), (252, 616585), (254, 611730), (315, 493268), (381, 407820), (420, 369951), (508, 305865), (630, 246634), (635, 244692), (762, 203910), (889, 174780), (971, 160020), (1143, 135940), (1260, 123317), (1270, 122346), (1524, 101955), (1778, 87390), (1905, 81564), (1942, 80010), (2286, 67970), (2540, 61173), (2667, 58260), (2913, 53340), (3556, 43695), (3810, 40782), (3884, 40005), (4445, 34956), (4572, 33985), (4855, 32004), (5334, 29130), (5715, 27188), (5826, 26670), (6797, 22860), (7620, 20391), (8001, 19420), (8739, 17780), (8890, 17478), (9710, 16002), (10668, 14565), (11430, 13594), (11652, 13335)]