28406520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4189

約数の個数: 96

約数和(自身を含む): 97203600

約数和(自身を除く): 68797080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4153, 6840, 8306, 12459, 16612, 20765, 24918, 33224, 37377, 41530, 49836, 62295, 74754, 78907, 83060, 99672, 124590, 149508, 157814, 166120, 186885, 236721, 249180, 299016, 315628, 373770, 394535, 473442, 498360, 631256, 710163, 747540, 789070, 946884, 1183605, 1420326, 1495080, 1578140, 1893768, 2367210, 2840652, 3156280, 3550815, 4734420, 5681304, 7101630, 9468840, 14203260, 28406520]

約数ペア:

[(1, 28406520), (2, 14203260), (3, 9468840), (4, 7101630), (5, 5681304), (6, 4734420), (8, 3550815), (9, 3156280), (10, 2840652), (12, 2367210), (15, 1893768), (18, 1578140), (19, 1495080), (20, 1420326), (24, 1183605), (30, 946884), (36, 789070), (38, 747540), (40, 710163), (45, 631256), (57, 498360), (60, 473442), (72, 394535), (76, 373770), (90, 315628), (95, 299016), (114, 249180), (120, 236721), (152, 186885), (171, 166120), (180, 157814), (190, 149508), (228, 124590), (285, 99672), (342, 83060), (360, 78907), (380, 74754), (456, 62295), (570, 49836), (684, 41530), (760, 37377), (855, 33224), (1140, 24918), (1368, 20765), (1710, 16612), (2280, 12459), (3420, 8306), (4153, 6840)]