1851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 5987520

約数和(自身を除く): 4135800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1187, 1560, 2374, 3561, 4748, 5935, 7122, 9496, 11870, 14244, 15431, 17805, 23740, 28488, 30862, 35610, 46293, 47480, 61724, 71220, 77155, 92586, 123448, 142440, 154310, 185172, 231465, 308620, 370344, 462930, 617240, 925860, 1851720]

約数ペア:

[(1, 1851720), (2, 925860), (3, 617240), (4, 462930), (5, 370344), (6, 308620), (8, 231465), (10, 185172), (12, 154310), (13, 142440), (15, 123448), (20, 92586), (24, 77155), (26, 71220), (30, 61724), (39, 47480), (40, 46293), (52, 35610), (60, 30862), (65, 28488), (78, 23740), (104, 17805), (120, 15431), (130, 14244), (156, 11870), (195, 9496), (260, 7122), (312, 5935), (390, 4748), (520, 3561), (780, 2374), (1187, 1560)]