890727720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1467

約数の個数: 128

約数和(自身を含む): 2747606400

約数和(自身を除く): 1856878680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 97, 118, 120, 177, 194, 236, 291, 295, 354, 388, 472, 485, 582, 590, 708, 776, 885, 970, 1164, 1180, 1297, 1416, 1455, 1770, 1940, 2328, 2360, 2594, 2910, 3540, 3880, 3891, 5188, 5723, 5820, 6485, 7080, 7782, 10376, 11446, 11640, 12970, 15564, 17169, 19455, 22892, 25940, 28615, 31128, 34338, 38910, 45784, 51880, 57230, 68676, 76523, 77820, 85845, 114460, 125809, 137352, 153046, 155640, 171690, 228920, 229569, 251618, 306092, 343380, 377427, 382615, 459138, 503236, 612184, 629045, 686760, 754854, 765230, 918276, 1006472, 1147845, 1258090, 1509708, 1530460, 1836552, 1887135, 2295690, 2516180, 3019416, 3060920, 3774270, 4591380, 5032360, 7422731, 7548540, 9182760, 14845462, 15097080, 22268193, 29690924, 37113655, 44536386, 59381848, 74227310, 89072772, 111340965, 148454620, 178145544, 222681930, 296909240, 445363860, 890727720]

約数ペア:

[(1, 890727720), (2, 445363860), (3, 296909240), (4, 222681930), (5, 178145544), (6, 148454620), (8, 111340965), (10, 89072772), (12, 74227310), (15, 59381848), (20, 44536386), (24, 37113655), (30, 29690924), (40, 22268193), (59, 15097080), (60, 14845462), (97, 9182760), (118, 7548540), (120, 7422731), (177, 5032360), (194, 4591380), (236, 3774270), (291, 3060920), (295, 3019416), (354, 2516180), (388, 2295690), (472, 1887135), (485, 1836552), (582, 1530460), (590, 1509708), (708, 1258090), (776, 1147845), (885, 1006472), (970, 918276), (1164, 765230), (1180, 754854), (1297, 686760), (1416, 629045), (1455, 612184), (1770, 503236), (1940, 459138), (2328, 382615), (2360, 377427), (2594, 343380), (2910, 306092), (3540, 251618), (3880, 229569), (3891, 228920), (5188, 171690), (5723, 155640), (5820, 153046), (6485, 137352), (7080, 125809), (7782, 114460), (10376, 85845), (11446, 77820), (11640, 76523), (12970, 68676), (15564, 57230), (17169, 51880), (19455, 45784), (22892, 38910), (25940, 34338), (28615, 31128)]