8431440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 28167840

約数和(自身を除く): 19736400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 430, 456, 516, 570, 645, 688, 760, 817, 860, 912, 1032, 1140, 1290, 1520, 1634, 1720, 1849, 2064, 2280, 2451, 2580, 3268, 3440, 3698, 4085, 4560, 4902, 5160, 5547, 6536, 7396, 8170, 9245, 9804, 10320, 11094, 12255, 13072, 14792, 16340, 18490, 19608, 22188, 24510, 27735, 29584, 32680, 35131, 36980, 39216, 44376, 49020, 55470, 65360, 70262, 73960, 88752, 98040, 105393, 110940, 140524, 147920, 175655, 196080, 210786, 221880, 281048, 351310, 421572, 443760, 526965, 562096, 702620, 843144, 1053930, 1405240, 1686288, 2107860, 2810480, 4215720, 8431440]

約数ペア:

[(1, 8431440), (2, 4215720), (3, 2810480), (4, 2107860), (5, 1686288), (6, 1405240), (8, 1053930), (10, 843144), (12, 702620), (15, 562096), (16, 526965), (19, 443760), (20, 421572), (24, 351310), (30, 281048), (38, 221880), (40, 210786), (43, 196080), (48, 175655), (57, 147920), (60, 140524), (76, 110940), (80, 105393), (86, 98040), (95, 88752), (114, 73960), (120, 70262), (129, 65360), (152, 55470), (172, 49020), (190, 44376), (215, 39216), (228, 36980), (240, 35131), (258, 32680), (285, 29584), (304, 27735), (344, 24510), (380, 22188), (430, 19608), (456, 18490), (516, 16340), (570, 14792), (645, 13072), (688, 12255), (760, 11094), (817, 10320), (860, 9804), (912, 9245), (1032, 8170), (1140, 7396), (1290, 6536), (1520, 5547), (1634, 5160), (1720, 4902), (1849, 4560), (2064, 4085), (2280, 3698), (2451, 3440), (2580, 3268)]