28450560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 94187520

約数和(自身を除く): 65736960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 239, 240, 248, 256, 310, 320, 372, 384, 465, 478, 480, 496, 620, 640, 717, 744, 768, 930, 956, 960, 992, 1195, 1240, 1280, 1434, 1488, 1860, 1912, 1920, 1984, 2390, 2480, 2868, 2976, 3585, 3720, 3824, 3840, 3968, 4780, 4960, 5736, 5952, 7170, 7409, 7440, 7648, 7936, 9560, 9920, 11472, 11904, 14340, 14818, 14880, 15296, 19120, 19840, 22227, 22944, 23808, 28680, 29636, 29760, 30592, 37045, 38240, 39680, 44454, 45888, 57360, 59272, 59520, 61184, 74090, 76480, 88908, 91776, 111135, 114720, 118544, 119040, 148180, 152960, 177816, 183552, 222270, 229440, 237088, 296360, 305920, 355632, 444540, 458880, 474176, 592720, 711264, 889080, 917760, 948352, 1185440, 1422528, 1778160, 1896704, 2370880, 2845056, 3556320, 4741760, 5690112, 7112640, 9483520, 14225280, 28450560]

約数ペア:

[(1, 28450560), (2, 14225280), (3, 9483520), (4, 7112640), (5, 5690112), (6, 4741760), (8, 3556320), (10, 2845056), (12, 2370880), (15, 1896704), (16, 1778160), (20, 1422528), (24, 1185440), (30, 948352), (31, 917760), (32, 889080), (40, 711264), (48, 592720), (60, 474176), (62, 458880), (64, 444540), (80, 355632), (93, 305920), (96, 296360), (120, 237088), (124, 229440), (128, 222270), (155, 183552), (160, 177816), (186, 152960), (192, 148180), (239, 119040), (240, 118544), (248, 114720), (256, 111135), (310, 91776), (320, 88908), (372, 76480), (384, 74090), (465, 61184), (478, 59520), (480, 59272), (496, 57360), (620, 45888), (640, 44454), (717, 39680), (744, 38240), (768, 37045), (930, 30592), (956, 29760), (960, 29636), (992, 28680), (1195, 23808), (1240, 22944), (1280, 22227), (1434, 19840), (1488, 19120), (1860, 15296), (1912, 14880), (1920, 14818), (1984, 14340), (2390, 11904), (2480, 11472), (2868, 9920), (2976, 9560), (3585, 7936), (3720, 7648), (3824, 7440), (3840, 7409), (3968, 7170), (4780, 5952), (4960, 5736)]