68138720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 192036096

約数和(自身を除く): 123897376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 41, 47, 52, 65, 68, 80, 82, 85, 94, 104, 130, 136, 160, 164, 170, 188, 205, 208, 221, 235, 260, 272, 328, 340, 376, 410, 416, 442, 470, 520, 533, 544, 611, 656, 680, 697, 752, 799, 820, 884, 940, 1040, 1066, 1105, 1222, 1312, 1360, 1394, 1504, 1598, 1640, 1768, 1880, 1927, 2080, 2132, 2210, 2444, 2665, 2720, 2788, 3055, 3196, 3280, 3485, 3536, 3760, 3854, 3995, 4264, 4420, 4888, 5330, 5576, 6110, 6392, 6560, 6970, 7072, 7520, 7708, 7990, 8528, 8840, 9061, 9635, 9776, 10387, 10660, 11152, 12220, 12784, 13940, 15416, 15980, 17056, 17680, 18122, 19270, 19552, 20774, 21320, 22304, 24440, 25051, 25568, 27880, 30832, 31960, 32759, 35360, 36244, 38540, 41548, 42640, 45305, 48880, 50102, 51935, 55760, 61664, 63920, 65518, 72488, 77080, 83096, 85280, 90610, 97760, 100204, 103870, 111520, 125255, 127840, 131036, 144976, 154160, 163795, 166192, 181220, 200408, 207740, 250510, 262072, 289952, 308320, 327590, 332384, 362440, 400816, 415480, 425867, 501020, 524144, 655180, 724880, 801632, 830960, 851734, 1002040, 1048288, 1310360, 1449760, 1661920, 1703468, 2004080, 2129335, 2620720, 3406936, 4008160, 4258670, 5241440, 6813872, 8517340, 13627744, 17034680, 34069360, 68138720]

約数ペア:

[(1, 68138720), (2, 34069360), (4, 17034680), (5, 13627744), (8, 8517340), (10, 6813872), (13, 5241440), (16, 4258670), (17, 4008160), (20, 3406936), (26, 2620720), (32, 2129335), (34, 2004080), (40, 1703468), (41, 1661920), (47, 1449760), (52, 1310360), (65, 1048288), (68, 1002040), (80, 851734), (82, 830960), (85, 801632), (94, 724880), (104, 655180), (130, 524144), (136, 501020), (160, 425867), (164, 415480), (170, 400816), (188, 362440), (205, 332384), (208, 327590), (221, 308320), (235, 289952), (260, 262072), (272, 250510), (328, 207740), (340, 200408), (376, 181220), (410, 166192), (416, 163795), (442, 154160), (470, 144976), (520, 131036), (533, 127840), (544, 125255), (611, 111520), (656, 103870), (680, 100204), (697, 97760), (752, 90610), (799, 85280), (820, 83096), (884, 77080), (940, 72488), (1040, 65518), (1066, 63920), (1105, 61664), (1222, 55760), (1312, 51935), (1360, 50102), (1394, 48880), (1504, 45305), (1598, 42640), (1640, 41548), (1768, 38540), (1880, 36244), (1927, 35360), (2080, 32759), (2132, 31960), (2210, 30832), (2444, 27880), (2665, 25568), (2720, 25051), (2788, 24440), (3055, 22304), (3196, 21320), (3280, 20774), (3485, 19552), (3536, 19270), (3760, 18122), (3854, 17680), (3995, 17056), (4264, 15980), (4420, 15416), (4888, 13940), (5330, 12784), (5576, 12220), (6110, 11152), (6392, 10660), (6560, 10387), (6970, 9776), (7072, 9635), (7520, 9061), (7708, 8840), (7990, 8528)]