2017798680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31907}}^1$

素因数の和:31969

約数の個数: 128

約数和(自身を含む): 6616442880

約数和(自身を除く): 4598644200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10540, 12648, 15810, 21080, 31620, 31907, 63240, 63814, 95721, 127628, 159535, 191442, 255256, 319070, 382884, 478605, 542419, 638140, 765768, 957210, 989117, 1084838, 1276280, 1627257, 1914420, 1978234, 2169676, 2712095, 2967351, 3254514, 3828840, 3956468, 4339352, 4945585, 5424190, 5934702, 6509028, 7912936, 8136285, 9891170, 10848380, 11869404, 13018056, 14836755, 16272570, 16814989, 19782340, 21696760, 23738808, 29673510, 32545140, 33629978, 39564680, 50444967, 59347020, 65090280, 67259956, 84074945, 100889934, 118694040, 134519912, 168149890, 201779868, 252224835, 336299780, 403559736, 504449670, 672599560, 1008899340, 2017798680]

約数ペア:

[(1, 2017798680), (2, 1008899340), (3, 672599560), (4, 504449670), (5, 403559736), (6, 336299780), (8, 252224835), (10, 201779868), (12, 168149890), (15, 134519912), (17, 118694040), (20, 100889934), (24, 84074945), (30, 67259956), (31, 65090280), (34, 59347020), (40, 50444967), (51, 39564680), (60, 33629978), (62, 32545140), (68, 29673510), (85, 23738808), (93, 21696760), (102, 19782340), (120, 16814989), (124, 16272570), (136, 14836755), (155, 13018056), (170, 11869404), (186, 10848380), (204, 9891170), (248, 8136285), (255, 7912936), (310, 6509028), (340, 5934702), (372, 5424190), (408, 4945585), (465, 4339352), (510, 3956468), (527, 3828840), (620, 3254514), (680, 2967351), (744, 2712095), (930, 2169676), (1020, 1978234), (1054, 1914420), (1240, 1627257), (1581, 1276280), (1860, 1084838), (2040, 989117), (2108, 957210), (2635, 765768), (3162, 638140), (3720, 542419), (4216, 478605), (5270, 382884), (6324, 319070), (7905, 255256), (10540, 191442), (12648, 159535), (15810, 127628), (21080, 95721), (31620, 63814), (31907, 63240)]