28085040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2091

約数の個数: 120

約数和(自身を含む): 99331440

約数和(自身を除く): 71246400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2053, 2280, 2736, 3420, 4106, 4560, 6159, 6840, 8212, 10265, 12318, 13680, 16424, 18477, 20530, 24636, 30795, 32848, 36954, 39007, 41060, 49272, 61590, 73908, 78014, 82120, 92385, 98544, 117021, 123180, 147816, 156028, 164240, 184770, 195035, 234042, 246360, 295632, 312056, 351063, 369540, 390070, 468084, 492720, 585105, 624112, 702126, 739080, 780140, 936168, 1170210, 1404252, 1478160, 1560280, 1755315, 1872336, 2340420, 2808504, 3120560, 3510630, 4680840, 5617008, 7021260, 9361680, 14042520, 28085040]

約数ペア:

[(1, 28085040), (2, 14042520), (3, 9361680), (4, 7021260), (5, 5617008), (6, 4680840), (8, 3510630), (9, 3120560), (10, 2808504), (12, 2340420), (15, 1872336), (16, 1755315), (18, 1560280), (19, 1478160), (20, 1404252), (24, 1170210), (30, 936168), (36, 780140), (38, 739080), (40, 702126), (45, 624112), (48, 585105), (57, 492720), (60, 468084), (72, 390070), (76, 369540), (80, 351063), (90, 312056), (95, 295632), (114, 246360), (120, 234042), (144, 195035), (152, 184770), (171, 164240), (180, 156028), (190, 147816), (228, 123180), (240, 117021), (285, 98544), (304, 92385), (342, 82120), (360, 78014), (380, 73908), (456, 61590), (570, 49272), (684, 41060), (720, 39007), (760, 36954), (855, 32848), (912, 30795), (1140, 24636), (1368, 20530), (1520, 18477), (1710, 16424), (2053, 13680), (2280, 12318), (2736, 10265), (3420, 8212), (4106, 6840), (4560, 6159)]