28853040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5266

約数の個数: 80

約数和(自身を含む): 93351168

約数和(自身を除く): 64498128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5227, 5520, 10454, 15681, 20908, 26135, 31362, 41816, 52270, 62724, 78405, 83632, 104540, 120221, 125448, 156810, 209080, 240442, 250896, 313620, 360663, 418160, 480884, 601105, 627240, 721326, 961768, 1202210, 1254480, 1442652, 1803315, 1923536, 2404420, 2885304, 3606630, 4808840, 5770608, 7213260, 9617680, 14426520, 28853040]

約数ペア:

[(1, 28853040), (2, 14426520), (3, 9617680), (4, 7213260), (5, 5770608), (6, 4808840), (8, 3606630), (10, 2885304), (12, 2404420), (15, 1923536), (16, 1803315), (20, 1442652), (23, 1254480), (24, 1202210), (30, 961768), (40, 721326), (46, 627240), (48, 601105), (60, 480884), (69, 418160), (80, 360663), (92, 313620), (115, 250896), (120, 240442), (138, 209080), (184, 156810), (230, 125448), (240, 120221), (276, 104540), (345, 83632), (368, 78405), (460, 62724), (552, 52270), (690, 41816), (920, 31362), (1104, 26135), (1380, 20908), (1840, 15681), (2760, 10454), (5227, 5520)]