27758240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 72213120

約数和(自身を除く): 44454880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 397, 437, 460, 608, 736, 760, 794, 874, 920, 1520, 1588, 1748, 1840, 1985, 2185, 3040, 3176, 3496, 3680, 3970, 4370, 6352, 6992, 7543, 7940, 8740, 9131, 12704, 13984, 15086, 15880, 17480, 18262, 30172, 31760, 34960, 36524, 37715, 45655, 60344, 63520, 69920, 73048, 75430, 91310, 120688, 146096, 150860, 173489, 182620, 241376, 292192, 301720, 346978, 365240, 603440, 693956, 730480, 867445, 1206880, 1387912, 1460960, 1734890, 2775824, 3469780, 5551648, 6939560, 13879120, 27758240]

約数ペア:

[(1, 27758240), (2, 13879120), (4, 6939560), (5, 5551648), (8, 3469780), (10, 2775824), (16, 1734890), (19, 1460960), (20, 1387912), (23, 1206880), (32, 867445), (38, 730480), (40, 693956), (46, 603440), (76, 365240), (80, 346978), (92, 301720), (95, 292192), (115, 241376), (152, 182620), (160, 173489), (184, 150860), (190, 146096), (230, 120688), (304, 91310), (368, 75430), (380, 73048), (397, 69920), (437, 63520), (460, 60344), (608, 45655), (736, 37715), (760, 36524), (794, 34960), (874, 31760), (920, 30172), (1520, 18262), (1588, 17480), (1748, 15880), (1840, 15086), (1985, 13984), (2185, 12704), (3040, 9131), (3176, 8740), (3496, 7940), (3680, 7543), (3970, 6992), (4370, 6352)]