78703020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39749}}^1$

素因数の和:39775

約数の個数: 72

約数和(自身を含む): 260442000

約数和(自身を除く): 181738980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39749, 79498, 119247, 158996, 198745, 238494, 357741, 397490, 437239, 476988, 596235, 715482, 794980, 874478, 1192470, 1311717, 1430964, 1748956, 1788705, 2186195, 2384940, 2623434, 3577410, 3935151, 4372390, 5246868, 6558585, 7154820, 7870302, 8744780, 13117170, 15740604, 19675755, 26234340, 39351510, 78703020]

約数ペア:

[(1, 78703020), (2, 39351510), (3, 26234340), (4, 19675755), (5, 15740604), (6, 13117170), (9, 8744780), (10, 7870302), (11, 7154820), (12, 6558585), (15, 5246868), (18, 4372390), (20, 3935151), (22, 3577410), (30, 2623434), (33, 2384940), (36, 2186195), (44, 1788705), (45, 1748956), (55, 1430964), (60, 1311717), (66, 1192470), (90, 874478), (99, 794980), (110, 715482), (132, 596235), (165, 476988), (180, 437239), (198, 397490), (220, 357741), (330, 238494), (396, 198745), (495, 158996), (660, 119247), (990, 79498), (1980, 39749)]