61788445360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{20857}}^1$

素因数の和:22838

約数の個数: 80

約数和(自身を含む): 151303932000

約数和(自身を除く): 89515486640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1949, 3898, 7796, 9745, 15592, 19490, 20857, 31184, 37031, 38980, 41714, 74062, 77960, 83428, 104285, 148124, 155920, 166856, 185155, 208570, 296248, 333712, 370310, 396283, 417140, 592496, 740620, 792566, 834280, 1481240, 1585132, 1668560, 1981415, 2962480, 3170264, 3962830, 6340528, 7925660, 15851320, 31702640, 40650293, 81300586, 162601172, 203251465, 325202344, 406502930, 650404688, 772355567, 813005860, 1544711134, 1626011720, 3089422268, 3252023440, 3861777835, 6178844536, 7723555670, 12357689072, 15447111340, 30894222680, 61788445360]

約数ペア:

[(1, 61788445360), (2, 30894222680), (4, 15447111340), (5, 12357689072), (8, 7723555670), (10, 6178844536), (16, 3861777835), (19, 3252023440), (20, 3089422268), (38, 1626011720), (40, 1544711134), (76, 813005860), (80, 772355567), (95, 650404688), (152, 406502930), (190, 325202344), (304, 203251465), (380, 162601172), (760, 81300586), (1520, 40650293), (1949, 31702640), (3898, 15851320), (7796, 7925660), (9745, 6340528), (15592, 3962830), (19490, 3170264), (20857, 2962480), (31184, 1981415), (37031, 1668560), (38980, 1585132), (41714, 1481240), (74062, 834280), (77960, 792566), (83428, 740620), (104285, 592496), (148124, 417140), (155920, 396283), (166856, 370310), (185155, 333712), (208570, 296248)]