79388820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9001}}^1$

素因数の和:9030

約数の個数: 108

約数和(自身を含む): 280160244

約数和(自身を除く): 200771424

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9001, 18002, 27003, 36004, 45005, 54006, 63007, 81009, 90010, 108012, 126014, 135015, 162018, 180020, 189021, 252028, 270030, 315035, 324036, 378042, 405045, 441049, 540060, 567063, 630070, 756084, 810090, 882098, 945105, 1134126, 1260140, 1323147, 1620180, 1764196, 1890210, 2205245, 2268252, 2646294, 2835315, 3780420, 3969441, 4410490, 5292588, 5670630, 6615735, 7938882, 8820980, 11341260, 13231470, 15877764, 19847205, 26462940, 39694410, 79388820]

約数ペア:

[(1, 79388820), (2, 39694410), (3, 26462940), (4, 19847205), (5, 15877764), (6, 13231470), (7, 11341260), (9, 8820980), (10, 7938882), (12, 6615735), (14, 5670630), (15, 5292588), (18, 4410490), (20, 3969441), (21, 3780420), (28, 2835315), (30, 2646294), (35, 2268252), (36, 2205245), (42, 1890210), (45, 1764196), (49, 1620180), (60, 1323147), (63, 1260140), (70, 1134126), (84, 945105), (90, 882098), (98, 810090), (105, 756084), (126, 630070), (140, 567063), (147, 540060), (180, 441049), (196, 405045), (210, 378042), (245, 324036), (252, 315035), (294, 270030), (315, 252028), (420, 189021), (441, 180020), (490, 162018), (588, 135015), (630, 126014), (735, 108012), (882, 90010), (980, 81009), (1260, 63007), (1470, 54006), (1764, 45005), (2205, 36004), (2940, 27003), (4410, 18002), (8820, 9001)]