78085980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2188

約数の個数: 144

約数和(自身を含む): 280163520

約数和(自身を除く): 202077540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2137, 2436, 2610, 3045, 3654, 4060, 4274, 5220, 6090, 6411, 7308, 8548, 9135, 10685, 12180, 12822, 14959, 18270, 19233, 21370, 25644, 29918, 32055, 36540, 38466, 42740, 44877, 59836, 61973, 64110, 74795, 76932, 89754, 96165, 123946, 128220, 134631, 149590, 179508, 185919, 192330, 224385, 247892, 269262, 299180, 309865, 371838, 384660, 433811, 448770, 538524, 557757, 619730, 673155, 743676, 867622, 897540, 929595, 1115514, 1239460, 1301433, 1346310, 1735244, 1859190, 2169055, 2231028, 2602866, 2692620, 2788785, 3718380, 3904299, 4338110, 5205732, 5577570, 6507165, 7808598, 8676220, 11155140, 13014330, 15617196, 19521495, 26028660, 39042990, 78085980]

約数ペア:

[(1, 78085980), (2, 39042990), (3, 26028660), (4, 19521495), (5, 15617196), (6, 13014330), (7, 11155140), (9, 8676220), (10, 7808598), (12, 6507165), (14, 5577570), (15, 5205732), (18, 4338110), (20, 3904299), (21, 3718380), (28, 2788785), (29, 2692620), (30, 2602866), (35, 2231028), (36, 2169055), (42, 1859190), (45, 1735244), (58, 1346310), (60, 1301433), (63, 1239460), (70, 1115514), (84, 929595), (87, 897540), (90, 867622), (105, 743676), (116, 673155), (126, 619730), (140, 557757), (145, 538524), (174, 448770), (180, 433811), (203, 384660), (210, 371838), (252, 309865), (261, 299180), (290, 269262), (315, 247892), (348, 224385), (406, 192330), (420, 185919), (435, 179508), (522, 149590), (580, 134631), (609, 128220), (630, 123946), (812, 96165), (870, 89754), (1015, 76932), (1044, 74795), (1218, 64110), (1260, 61973), (1305, 59836), (1740, 44877), (1827, 42740), (2030, 38466), (2137, 36540), (2436, 32055), (2610, 29918), (3045, 25644), (3654, 21370), (4060, 19233), (4274, 18270), (5220, 14959), (6090, 12822), (6411, 12180), (7308, 10685), (8548, 9135)]