647885520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10343}}^1$

素因数の和:10394

約数の個数: 160

約数和(自身を含む): 2308780800

約数和(自身を除く): 1660895280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 5220, 6264, 6960, 7830, 10343, 10440, 12528, 15660, 20686, 20880, 31029, 31320, 41372, 51715, 62058, 62640, 82744, 93087, 103430, 124116, 155145, 165488, 186174, 206860, 248232, 279261, 299947, 310290, 372348, 413720, 465435, 496464, 558522, 599894, 620580, 744696, 827440, 899841, 930870, 1117044, 1199788, 1241160, 1396305, 1489392, 1499735, 1799682, 1861740, 2234088, 2399576, 2482320, 2699523, 2792610, 2999470, 3599364, 3723480, 4468176, 4499205, 4799152, 5399046, 5585220, 5998940, 7198728, 7446960, 8098569, 8998410, 10798092, 11170440, 11997880, 13497615, 14397456, 16197138, 17996820, 21596184, 22340880, 23995760, 26995230, 32394276, 35993640, 40492845, 43192368, 53990460, 64788552, 71987280, 80985690, 107980920, 129577104, 161971380, 215961840, 323942760, 647885520]

約数ペア:

[(1, 647885520), (2, 323942760), (3, 215961840), (4, 161971380), (5, 129577104), (6, 107980920), (8, 80985690), (9, 71987280), (10, 64788552), (12, 53990460), (15, 43192368), (16, 40492845), (18, 35993640), (20, 32394276), (24, 26995230), (27, 23995760), (29, 22340880), (30, 21596184), (36, 17996820), (40, 16197138), (45, 14397456), (48, 13497615), (54, 11997880), (58, 11170440), (60, 10798092), (72, 8998410), (80, 8098569), (87, 7446960), (90, 7198728), (108, 5998940), (116, 5585220), (120, 5399046), (135, 4799152), (144, 4499205), (145, 4468176), (174, 3723480), (180, 3599364), (216, 2999470), (232, 2792610), (240, 2699523), (261, 2482320), (270, 2399576), (290, 2234088), (348, 1861740), (360, 1799682), (432, 1499735), (435, 1489392), (464, 1396305), (522, 1241160), (540, 1199788), (580, 1117044), (696, 930870), (720, 899841), (783, 827440), (870, 744696), (1044, 620580), (1080, 599894), (1160, 558522), (1305, 496464), (1392, 465435), (1566, 413720), (1740, 372348), (2088, 310290), (2160, 299947), (2320, 279261), (2610, 248232), (3132, 206860), (3480, 186174), (3915, 165488), (4176, 155145), (5220, 124116), (6264, 103430), (6960, 93087), (7830, 82744), (10343, 62640), (10440, 62058), (12528, 51715), (15660, 41372), (20686, 31320), (20880, 31029)]