56971560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 178738560

約数和(自身を除く): 121767000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 181, 183, 215, 244, 258, 305, 344, 362, 366, 430, 488, 516, 543, 610, 645, 724, 732, 860, 905, 915, 1032, 1086, 1220, 1290, 1448, 1464, 1720, 1810, 1830, 2172, 2440, 2580, 2623, 2715, 3620, 3660, 4344, 5160, 5246, 5430, 7240, 7320, 7783, 7869, 10492, 10860, 11041, 13115, 15566, 15738, 20984, 21720, 22082, 23349, 26230, 31132, 31476, 33123, 38915, 39345, 44164, 46698, 52460, 55205, 62264, 62952, 66246, 77830, 78690, 88328, 93396, 104920, 110410, 116745, 132492, 155660, 157380, 165615, 186792, 220820, 233490, 264984, 311320, 314760, 331230, 441640, 466980, 474763, 662460, 933960, 949526, 1324920, 1424289, 1899052, 2373815, 2848578, 3798104, 4747630, 5697156, 7121445, 9495260, 11394312, 14242890, 18990520, 28485780, 56971560]

約数ペア:

[(1, 56971560), (2, 28485780), (3, 18990520), (4, 14242890), (5, 11394312), (6, 9495260), (8, 7121445), (10, 5697156), (12, 4747630), (15, 3798104), (20, 2848578), (24, 2373815), (30, 1899052), (40, 1424289), (43, 1324920), (60, 949526), (61, 933960), (86, 662460), (120, 474763), (122, 466980), (129, 441640), (172, 331230), (181, 314760), (183, 311320), (215, 264984), (244, 233490), (258, 220820), (305, 186792), (344, 165615), (362, 157380), (366, 155660), (430, 132492), (488, 116745), (516, 110410), (543, 104920), (610, 93396), (645, 88328), (724, 78690), (732, 77830), (860, 66246), (905, 62952), (915, 62264), (1032, 55205), (1086, 52460), (1220, 46698), (1290, 44164), (1448, 39345), (1464, 38915), (1720, 33123), (1810, 31476), (1830, 31132), (2172, 26230), (2440, 23349), (2580, 22082), (2623, 21720), (2715, 20984), (3620, 15738), (3660, 15566), (4344, 13115), (5160, 11041), (5246, 10860), (5430, 10492), (7240, 7869), (7320, 7783)]