1820940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 5806080

約数和(自身を除く): 3985140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 89, 93, 110, 124, 132, 155, 165, 178, 186, 220, 267, 310, 330, 341, 356, 372, 445, 465, 534, 620, 660, 682, 890, 930, 979, 1023, 1068, 1335, 1364, 1705, 1780, 1860, 1958, 2046, 2670, 2759, 2937, 3410, 3916, 4092, 4895, 5115, 5340, 5518, 5874, 6820, 8277, 9790, 10230, 11036, 11748, 13795, 14685, 16554, 19580, 20460, 27590, 29370, 30349, 33108, 41385, 55180, 58740, 60698, 82770, 91047, 121396, 151745, 165540, 182094, 303490, 364188, 455235, 606980, 910470, 1820940]

約数ペア:

[(1, 1820940), (2, 910470), (3, 606980), (4, 455235), (5, 364188), (6, 303490), (10, 182094), (11, 165540), (12, 151745), (15, 121396), (20, 91047), (22, 82770), (30, 60698), (31, 58740), (33, 55180), (44, 41385), (55, 33108), (60, 30349), (62, 29370), (66, 27590), (89, 20460), (93, 19580), (110, 16554), (124, 14685), (132, 13795), (155, 11748), (165, 11036), (178, 10230), (186, 9790), (220, 8277), (267, 6820), (310, 5874), (330, 5518), (341, 5340), (356, 5115), (372, 4895), (445, 4092), (465, 3916), (534, 3410), (620, 2937), (660, 2759), (682, 2670), (890, 2046), (930, 1958), (979, 1860), (1023, 1780), (1068, 1705), (1335, 1364)]