804571520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 2009318400

約数和(自身を除く): 1204746880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 310, 320, 379, 428, 496, 535, 620, 640, 758, 856, 992, 1070, 1240, 1516, 1712, 1895, 1984, 2140, 2480, 3032, 3317, 3424, 3790, 3968, 4280, 4960, 6064, 6634, 6848, 7580, 8560, 9920, 11749, 12128, 13268, 13696, 15160, 16585, 17120, 19840, 23498, 24256, 26536, 30320, 33170, 34240, 40553, 46996, 48512, 53072, 58745, 60640, 66340, 68480, 81106, 93992, 106144, 117490, 121280, 132680, 162212, 187984, 202765, 212288, 234980, 242560, 265360, 324424, 375968, 405530, 424576, 469960, 530720, 648848, 751936, 811060, 939920, 1061440, 1257143, 1297696, 1503872, 1622120, 1879840, 2122880, 2514286, 2595392, 3244240, 3759680, 5028572, 5190784, 6285715, 6488480, 7519360, 10057144, 12571430, 12976960, 20114288, 25142860, 25953920, 40228576, 50285720, 80457152, 100571440, 160914304, 201142880, 402285760, 804571520]

約数ペア:

[(1, 804571520), (2, 402285760), (4, 201142880), (5, 160914304), (8, 100571440), (10, 80457152), (16, 50285720), (20, 40228576), (31, 25953920), (32, 25142860), (40, 20114288), (62, 12976960), (64, 12571430), (80, 10057144), (107, 7519360), (124, 6488480), (128, 6285715), (155, 5190784), (160, 5028572), (214, 3759680), (248, 3244240), (310, 2595392), (320, 2514286), (379, 2122880), (428, 1879840), (496, 1622120), (535, 1503872), (620, 1297696), (640, 1257143), (758, 1061440), (856, 939920), (992, 811060), (1070, 751936), (1240, 648848), (1516, 530720), (1712, 469960), (1895, 424576), (1984, 405530), (2140, 375968), (2480, 324424), (3032, 265360), (3317, 242560), (3424, 234980), (3790, 212288), (3968, 202765), (4280, 187984), (4960, 162212), (6064, 132680), (6634, 121280), (6848, 117490), (7580, 106144), (8560, 93992), (9920, 81106), (11749, 68480), (12128, 66340), (13268, 60640), (13696, 58745), (15160, 53072), (16585, 48512), (17120, 46996), (19840, 40553), (23498, 34240), (24256, 33170), (26536, 30320)]