69979520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 181433520

約数和(自身を除く): 111454000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 640, 647, 676, 832, 845, 1040, 1294, 1352, 1664, 1690, 2080, 2588, 2704, 3235, 3380, 4160, 5176, 5408, 6470, 6760, 8320, 8411, 10352, 10816, 12940, 13520, 16822, 20704, 21632, 25880, 27040, 33644, 41408, 42055, 51760, 54080, 67288, 82816, 84110, 103520, 108160, 109343, 134576, 168220, 207040, 218686, 269152, 336440, 414080, 437372, 538304, 546715, 672880, 874744, 1076608, 1093430, 1345760, 1749488, 2186860, 2691520, 3498976, 4373720, 5383040, 6997952, 8747440, 13995904, 17494880, 34989760, 69979520]

約数ペア:

[(1, 69979520), (2, 34989760), (4, 17494880), (5, 13995904), (8, 8747440), (10, 6997952), (13, 5383040), (16, 4373720), (20, 3498976), (26, 2691520), (32, 2186860), (40, 1749488), (52, 1345760), (64, 1093430), (65, 1076608), (80, 874744), (104, 672880), (128, 546715), (130, 538304), (160, 437372), (169, 414080), (208, 336440), (260, 269152), (320, 218686), (338, 207040), (416, 168220), (520, 134576), (640, 109343), (647, 108160), (676, 103520), (832, 84110), (845, 82816), (1040, 67288), (1294, 54080), (1352, 51760), (1664, 42055), (1690, 41408), (2080, 33644), (2588, 27040), (2704, 25880), (3235, 21632), (3380, 20704), (4160, 16822), (5176, 13520), (5408, 12940), (6470, 10816), (6760, 10352), (8320, 8411)]