180898020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1970

約数の個数: 144

約数和(自身を含む): 600058368

約数和(自身を除く): 419160348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 1907, 2108, 2635, 2790, 3060, 3162, 3814, 4743, 5270, 5580, 5721, 6324, 7628, 7905, 9486, 9535, 10540, 11442, 15810, 17163, 18972, 19070, 22884, 23715, 28605, 31620, 32419, 34326, 38140, 47430, 57210, 59117, 64838, 68652, 85815, 94860, 97257, 114420, 118234, 129676, 162095, 171630, 177351, 194514, 236468, 291771, 295585, 324190, 343260, 354702, 389028, 486285, 532053, 583542, 591170, 648380, 709404, 886755, 972570, 1004989, 1064106, 1167084, 1182340, 1458855, 1773510, 1945140, 2009978, 2128212, 2660265, 2917710, 3014967, 3547020, 4019956, 5024945, 5320530, 5835420, 6029934, 9044901, 10049890, 10641060, 12059868, 15074835, 18089802, 20099780, 30149670, 36179604, 45224505, 60299340, 90449010, 180898020]

約数ペア:

[(1, 180898020), (2, 90449010), (3, 60299340), (4, 45224505), (5, 36179604), (6, 30149670), (9, 20099780), (10, 18089802), (12, 15074835), (15, 12059868), (17, 10641060), (18, 10049890), (20, 9044901), (30, 6029934), (31, 5835420), (34, 5320530), (36, 5024945), (45, 4019956), (51, 3547020), (60, 3014967), (62, 2917710), (68, 2660265), (85, 2128212), (90, 2009978), (93, 1945140), (102, 1773510), (124, 1458855), (153, 1182340), (155, 1167084), (170, 1064106), (180, 1004989), (186, 972570), (204, 886755), (255, 709404), (279, 648380), (306, 591170), (310, 583542), (340, 532053), (372, 486285), (465, 389028), (510, 354702), (527, 343260), (558, 324190), (612, 295585), (620, 291771), (765, 236468), (930, 194514), (1020, 177351), (1054, 171630), (1116, 162095), (1395, 129676), (1530, 118234), (1581, 114420), (1860, 97257), (1907, 94860), (2108, 85815), (2635, 68652), (2790, 64838), (3060, 59117), (3162, 57210), (3814, 47430), (4743, 38140), (5270, 34326), (5580, 32419), (5721, 31620), (6324, 28605), (7628, 23715), (7905, 22884), (9486, 19070), (9535, 18972), (10540, 17163), (11442, 15810)]