68081580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 257402880

約数和(自身を除く): 189321300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 49, 54, 60, 62, 63, 70, 83, 84, 90, 93, 98, 105, 108, 124, 126, 135, 140, 147, 155, 166, 180, 186, 189, 196, 210, 217, 245, 249, 252, 270, 279, 294, 310, 315, 332, 372, 378, 415, 420, 434, 441, 465, 490, 498, 540, 558, 581, 588, 620, 630, 651, 735, 747, 756, 830, 837, 868, 882, 930, 945, 980, 996, 1085, 1116, 1162, 1245, 1260, 1302, 1323, 1395, 1470, 1494, 1519, 1660, 1674, 1743, 1764, 1860, 1890, 1953, 2170, 2205, 2241, 2324, 2490, 2573, 2604, 2646, 2790, 2905, 2940, 2988, 3038, 3255, 3348, 3486, 3735, 3780, 3906, 4067, 4185, 4340, 4410, 4482, 4557, 4980, 5146, 5229, 5292, 5580, 5810, 5859, 6076, 6510, 6615, 6972, 7470, 7595, 7719, 7812, 8134, 8370, 8715, 8820, 8964, 9114, 9765, 10292, 10458, 11205, 11620, 11718, 12201, 12865, 13020, 13230, 13671, 14940, 15190, 15438, 15687, 16268, 16740, 17430, 18011, 18228, 19530, 20335, 20916, 22410, 22785, 23157, 23436, 24402, 25730, 26145, 26460, 27342, 29295, 30380, 30876, 31374, 34860, 36022, 36603, 38595, 39060, 40670, 41013, 44820, 45570, 46314, 48804, 51460, 52290, 54033, 54684, 58590, 61005, 62748, 68355, 69471, 72044, 73206, 77190, 78435, 81340, 82026, 90055, 91140, 92628, 104580, 108066, 109809, 115785, 117180, 122010, 126077, 136710, 138942, 146412, 154380, 156870, 162099, 164052, 180110, 183015, 205065, 216132, 219618, 231570, 244020, 252154, 270165, 273420, 277884, 313740, 324198, 347355, 360220, 366030, 378231, 410130, 439236, 463140, 486297, 504308, 540330, 549045, 630385, 648396, 694710, 732060, 756462, 810495, 820260, 972594, 1080660, 1098090, 1134693, 1260770, 1389420, 1512924, 1620990, 1891155, 1945188, 2196180, 2269386, 2431485, 2521540, 3241980, 3404079, 3782310, 4538772, 4862970, 5673465, 6808158, 7564620, 9725940, 11346930, 13616316, 17020395, 22693860, 34040790, 68081580]

約数ペア:

[(1, 68081580), (2, 34040790), (3, 22693860), (4, 17020395), (5, 13616316), (6, 11346930), (7, 9725940), (9, 7564620), (10, 6808158), (12, 5673465), (14, 4862970), (15, 4538772), (18, 3782310), (20, 3404079), (21, 3241980), (27, 2521540), (28, 2431485), (30, 2269386), (31, 2196180), (35, 1945188), (36, 1891155), (42, 1620990), (45, 1512924), (49, 1389420), (54, 1260770), (60, 1134693), (62, 1098090), (63, 1080660), (70, 972594), (83, 820260), (84, 810495), (90, 756462), (93, 732060), (98, 694710), (105, 648396), (108, 630385), (124, 549045), (126, 540330), (135, 504308), (140, 486297), (147, 463140), (155, 439236), (166, 410130), (180, 378231), (186, 366030), (189, 360220), (196, 347355), (210, 324198), (217, 313740), (245, 277884), (249, 273420), (252, 270165), (270, 252154), (279, 244020), (294, 231570), (310, 219618), (315, 216132), (332, 205065), (372, 183015), (378, 180110), (415, 164052), (420, 162099), (434, 156870), (441, 154380), (465, 146412), (490, 138942), (498, 136710), (540, 126077), (558, 122010), (581, 117180), (588, 115785), (620, 109809), (630, 108066), (651, 104580), (735, 92628), (747, 91140), (756, 90055), (830, 82026), (837, 81340), (868, 78435), (882, 77190), (930, 73206), (945, 72044), (980, 69471), (996, 68355), (1085, 62748), (1116, 61005), (1162, 58590), (1245, 54684), (1260, 54033), (1302, 52290), (1323, 51460), (1395, 48804), (1470, 46314), (1494, 45570), (1519, 44820), (1660, 41013), (1674, 40670), (1743, 39060), (1764, 38595), (1860, 36603), (1890, 36022), (1953, 34860), (2170, 31374), (2205, 30876), (2241, 30380), (2324, 29295), (2490, 27342), (2573, 26460), (2604, 26145), (2646, 25730), (2790, 24402), (2905, 23436), (2940, 23157), (2988, 22785), (3038, 22410), (3255, 20916), (3348, 20335), (3486, 19530), (3735, 18228), (3780, 18011), (3906, 17430), (4067, 16740), (4185, 16268), (4340, 15687), (4410, 15438), (4482, 15190), (4557, 14940), (4980, 13671), (5146, 13230), (5229, 13020), (5292, 12865), (5580, 12201), (5810, 11718), (5859, 11620), (6076, 11205), (6510, 10458), (6615, 10292), (6972, 9765), (7470, 9114), (7595, 8964), (7719, 8820), (7812, 8715), (8134, 8370)]