647870580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1193}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 2253049344

約数和(自身を除く): 1605178764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 431, 630, 862, 1193, 1260, 1293, 1724, 2155, 2386, 2586, 3017, 3579, 3879, 4310, 4772, 5172, 5965, 6034, 6465, 7158, 7758, 8351, 8620, 9051, 10737, 11930, 12068, 12930, 14316, 15085, 15516, 16702, 17895, 18102, 19395, 21474, 23860, 25053, 25860, 27153, 30170, 33404, 35790, 36204, 38790, 41755, 42948, 45255, 50106, 53685, 54306, 60340, 71580, 75159, 77580, 83510, 90510, 100212, 107370, 108612, 125265, 135765, 150318, 167020, 181020, 214740, 250530, 271530, 300636, 375795, 501060, 514183, 543060, 751590, 1028366, 1503180, 1542549, 2056732, 2570915, 3085098, 3599281, 4627647, 5141830, 6170196, 7198562, 7712745, 9255294, 10283660, 10797843, 14397124, 15425490, 17996405, 18510588, 21595686, 23138235, 30850980, 32393529, 35992810, 43191372, 46276470, 53989215, 64787058, 71985620, 92552940, 107978430, 129574116, 161967645, 215956860, 323935290, 647870580]

約数ペア:

[(1, 647870580), (2, 323935290), (3, 215956860), (4, 161967645), (5, 129574116), (6, 107978430), (7, 92552940), (9, 71985620), (10, 64787058), (12, 53989215), (14, 46276470), (15, 43191372), (18, 35992810), (20, 32393529), (21, 30850980), (28, 23138235), (30, 21595686), (35, 18510588), (36, 17996405), (42, 15425490), (45, 14397124), (60, 10797843), (63, 10283660), (70, 9255294), (84, 7712745), (90, 7198562), (105, 6170196), (126, 5141830), (140, 4627647), (180, 3599281), (210, 3085098), (252, 2570915), (315, 2056732), (420, 1542549), (431, 1503180), (630, 1028366), (862, 751590), (1193, 543060), (1260, 514183), (1293, 501060), (1724, 375795), (2155, 300636), (2386, 271530), (2586, 250530), (3017, 214740), (3579, 181020), (3879, 167020), (4310, 150318), (4772, 135765), (5172, 125265), (5965, 108612), (6034, 107370), (6465, 100212), (7158, 90510), (7758, 83510), (8351, 77580), (8620, 75159), (9051, 71580), (10737, 60340), (11930, 54306), (12068, 53685), (12930, 50106), (14316, 45255), (15085, 42948), (15516, 41755), (16702, 38790), (17895, 36204), (18102, 35790), (19395, 33404), (21474, 30170), (23860, 27153), (25053, 25860)]