78846480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 160

約数和(自身を含む): 274446720

約数和(自身を除く): 195600240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 173, 180, 211, 216, 240, 270, 346, 360, 422, 432, 519, 540, 633, 692, 720, 844, 865, 1038, 1055, 1080, 1266, 1384, 1557, 1688, 1730, 1899, 2076, 2110, 2160, 2532, 2595, 2768, 3114, 3165, 3376, 3460, 3798, 4152, 4220, 4671, 5064, 5190, 5697, 6228, 6330, 6920, 7596, 7785, 8304, 8440, 9342, 9495, 10128, 10380, 11394, 12456, 12660, 13840, 15192, 15570, 16880, 18684, 18990, 20760, 22788, 23355, 24912, 25320, 28485, 30384, 31140, 36503, 37368, 37980, 41520, 45576, 46710, 50640, 56970, 62280, 73006, 74736, 75960, 91152, 93420, 109509, 113940, 124560, 146012, 151920, 182515, 186840, 219018, 227880, 292024, 328527, 365030, 373680, 438036, 455760, 547545, 584048, 657054, 730060, 876072, 985581, 1095090, 1314108, 1460120, 1642635, 1752144, 1971162, 2190180, 2628216, 2920240, 3285270, 3942324, 4380360, 4927905, 5256432, 6570540, 7884648, 8760720, 9855810, 13141080, 15769296, 19711620, 26282160, 39423240, 78846480]

約数ペア:

[(1, 78846480), (2, 39423240), (3, 26282160), (4, 19711620), (5, 15769296), (6, 13141080), (8, 9855810), (9, 8760720), (10, 7884648), (12, 6570540), (15, 5256432), (16, 4927905), (18, 4380360), (20, 3942324), (24, 3285270), (27, 2920240), (30, 2628216), (36, 2190180), (40, 1971162), (45, 1752144), (48, 1642635), (54, 1460120), (60, 1314108), (72, 1095090), (80, 985581), (90, 876072), (108, 730060), (120, 657054), (135, 584048), (144, 547545), (173, 455760), (180, 438036), (211, 373680), (216, 365030), (240, 328527), (270, 292024), (346, 227880), (360, 219018), (422, 186840), (432, 182515), (519, 151920), (540, 146012), (633, 124560), (692, 113940), (720, 109509), (844, 93420), (865, 91152), (1038, 75960), (1055, 74736), (1080, 73006), (1266, 62280), (1384, 56970), (1557, 50640), (1688, 46710), (1730, 45576), (1899, 41520), (2076, 37980), (2110, 37368), (2160, 36503), (2532, 31140), (2595, 30384), (2768, 28485), (3114, 25320), (3165, 24912), (3376, 23355), (3460, 22788), (3798, 20760), (4152, 18990), (4220, 18684), (4671, 16880), (5064, 15570), (5190, 15192), (5697, 13840), (6228, 12660), (6330, 12456), (6920, 11394), (7596, 10380), (7785, 10128), (8304, 9495), (8440, 9342)]