61290720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1425

約数の個数: 144

約数和(自身を含む): 216058752

約数和(自身を除く): 154768032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1373, 1395, 1440, 1488, 1860, 2232, 2480, 2746, 2790, 2976, 3720, 4119, 4464, 4960, 5492, 5580, 6865, 7440, 8238, 8928, 10984, 11160, 12357, 13730, 14880, 16476, 20595, 21968, 22320, 24714, 27460, 32952, 41190, 42563, 43936, 44640, 49428, 54920, 61785, 65904, 82380, 85126, 98856, 109840, 123570, 127689, 131808, 164760, 170252, 197712, 212815, 219680, 247140, 255378, 329520, 340504, 383067, 395424, 425630, 494280, 510756, 638445, 659040, 681008, 766134, 851260, 988560, 1021512, 1276890, 1362016, 1532268, 1702520, 1915335, 1977120, 2043024, 2553780, 3064536, 3405040, 3830670, 4086048, 5107560, 6129072, 6810080, 7661340, 10215120, 12258144, 15322680, 20430240, 30645360, 61290720]

約数ペア:

[(1, 61290720), (2, 30645360), (3, 20430240), (4, 15322680), (5, 12258144), (6, 10215120), (8, 7661340), (9, 6810080), (10, 6129072), (12, 5107560), (15, 4086048), (16, 3830670), (18, 3405040), (20, 3064536), (24, 2553780), (30, 2043024), (31, 1977120), (32, 1915335), (36, 1702520), (40, 1532268), (45, 1362016), (48, 1276890), (60, 1021512), (62, 988560), (72, 851260), (80, 766134), (90, 681008), (93, 659040), (96, 638445), (120, 510756), (124, 494280), (144, 425630), (155, 395424), (160, 383067), (180, 340504), (186, 329520), (240, 255378), (248, 247140), (279, 219680), (288, 212815), (310, 197712), (360, 170252), (372, 164760), (465, 131808), (480, 127689), (496, 123570), (558, 109840), (620, 98856), (720, 85126), (744, 82380), (930, 65904), (992, 61785), (1116, 54920), (1240, 49428), (1373, 44640), (1395, 43936), (1440, 42563), (1488, 41190), (1860, 32952), (2232, 27460), (2480, 24714), (2746, 22320), (2790, 21968), (2976, 20595), (3720, 16476), (4119, 14880), (4464, 13730), (4960, 12357), (5492, 11160), (5580, 10984), (6865, 8928), (7440, 8238)]