25355520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 91832832

約数和(自身を除く): 66477312

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, 64, 71, 72, 80, 90, 93, 96, 120, 124, 128, 142, 144, 155, 160, 180, 186, 192, 213, 240, 248, 256, 279, 284, 288, 310, 320, 355, 360, 372, 384, 426, 465, 480, 496, 558, 568, 576, 620, 639, 640, 710, 720, 744, 768, 852, 930, 960, 992, 1065, 1116, 1136, 1152, 1240, 1278, 1280, 1395, 1420, 1440, 1488, 1704, 1860, 1920, 1984, 2130, 2201, 2232, 2272, 2304, 2480, 2556, 2790, 2840, 2880, 2976, 3195, 3408, 3720, 3840, 3968, 4260, 4402, 4464, 4544, 4960, 5112, 5580, 5680, 5760, 5952, 6390, 6603, 6816, 7440, 7936, 8520, 8804, 8928, 9088, 9920, 10224, 11005, 11160, 11360, 11520, 11904, 12780, 13206, 13632, 14880, 17040, 17608, 17856, 18176, 19809, 19840, 20448, 22010, 22320, 22720, 23808, 25560, 26412, 27264, 29760, 33015, 34080, 35216, 35712, 39618, 39680, 40896, 44020, 44640, 45440, 51120, 52824, 54528, 59520, 66030, 68160, 70432, 71424, 79236, 81792, 88040, 89280, 90880, 99045, 102240, 105648, 119040, 132060, 136320, 140864, 158472, 163584, 176080, 178560, 198090, 204480, 211296, 264120, 272640, 281728, 316944, 352160, 357120, 396180, 408960, 422592, 528240, 563456, 633888, 704320, 792360, 817920, 845184, 1056480, 1267776, 1408640, 1584720, 1690368, 2112960, 2535552, 2817280, 3169440, 4225920, 5071104, 6338880, 8451840, 12677760, 25355520]

約数ペア:

[(1, 25355520), (2, 12677760), (3, 8451840), (4, 6338880), (5, 5071104), (6, 4225920), (8, 3169440), (9, 2817280), (10, 2535552), (12, 2112960), (15, 1690368), (16, 1584720), (18, 1408640), (20, 1267776), (24, 1056480), (30, 845184), (31, 817920), (32, 792360), (36, 704320), (40, 633888), (45, 563456), (48, 528240), (60, 422592), (62, 408960), (64, 396180), (71, 357120), (72, 352160), (80, 316944), (90, 281728), (93, 272640), (96, 264120), (120, 211296), (124, 204480), (128, 198090), (142, 178560), (144, 176080), (155, 163584), (160, 158472), (180, 140864), (186, 136320), (192, 132060), (213, 119040), (240, 105648), (248, 102240), (256, 99045), (279, 90880), (284, 89280), (288, 88040), (310, 81792), (320, 79236), (355, 71424), (360, 70432), (372, 68160), (384, 66030), (426, 59520), (465, 54528), (480, 52824), (496, 51120), (558, 45440), (568, 44640), (576, 44020), (620, 40896), (639, 39680), (640, 39618), (710, 35712), (720, 35216), (744, 34080), (768, 33015), (852, 29760), (930, 27264), (960, 26412), (992, 25560), (1065, 23808), (1116, 22720), (1136, 22320), (1152, 22010), (1240, 20448), (1278, 19840), (1280, 19809), (1395, 18176), (1420, 17856), (1440, 17608), (1488, 17040), (1704, 14880), (1860, 13632), (1920, 13206), (1984, 12780), (2130, 11904), (2201, 11520), (2232, 11360), (2272, 11160), (2304, 11005), (2480, 10224), (2556, 9920), (2790, 9088), (2840, 8928), (2880, 8804), (2976, 8520), (3195, 7936), (3408, 7440), (3720, 6816), (3840, 6603), (3968, 6390), (4260, 5952), (4402, 5760), (4464, 5680), (4544, 5580), (4960, 5112)]