2649840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 8395296

約数和(自身を除く): 5745456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 181, 183, 240, 244, 305, 362, 366, 488, 543, 610, 724, 732, 905, 915, 976, 1086, 1220, 1448, 1464, 1810, 1830, 2172, 2440, 2715, 2896, 2928, 3620, 3660, 4344, 4880, 5430, 7240, 7320, 8688, 10860, 11041, 14480, 14640, 21720, 22082, 33123, 43440, 44164, 55205, 66246, 88328, 110410, 132492, 165615, 176656, 220820, 264984, 331230, 441640, 529968, 662460, 883280, 1324920, 2649840]

約数ペア:

[(1, 2649840), (2, 1324920), (3, 883280), (4, 662460), (5, 529968), (6, 441640), (8, 331230), (10, 264984), (12, 220820), (15, 176656), (16, 165615), (20, 132492), (24, 110410), (30, 88328), (40, 66246), (48, 55205), (60, 44164), (61, 43440), (80, 33123), (120, 22082), (122, 21720), (181, 14640), (183, 14480), (240, 11041), (244, 10860), (305, 8688), (362, 7320), (366, 7240), (488, 5430), (543, 4880), (610, 4344), (724, 3660), (732, 3620), (905, 2928), (915, 2896), (976, 2715), (1086, 2440), (1220, 2172), (1448, 1830), (1464, 1810)]