31477680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 320

約数和(自身を含む): 124992000

約数和(自身を除く): 93514320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 59, 60, 65, 72, 76, 78, 80, 90, 95, 104, 108, 114, 117, 118, 120, 130, 135, 144, 152, 156, 171, 177, 180, 190, 195, 208, 216, 228, 234, 236, 240, 247, 260, 270, 285, 295, 304, 312, 342, 351, 354, 360, 380, 390, 432, 456, 468, 472, 494, 513, 520, 531, 540, 570, 585, 590, 624, 684, 702, 708, 720, 741, 760, 767, 780, 855, 885, 912, 936, 944, 988, 1026, 1040, 1062, 1080, 1121, 1140, 1170, 1180, 1235, 1368, 1404, 1416, 1482, 1520, 1534, 1560, 1593, 1710, 1755, 1770, 1872, 1976, 2052, 2124, 2160, 2223, 2242, 2280, 2301, 2340, 2360, 2470, 2565, 2655, 2736, 2808, 2832, 2964, 3068, 3120, 3186, 3363, 3420, 3510, 3540, 3705, 3835, 3952, 4104, 4248, 4446, 4484, 4560, 4602, 4680, 4720, 4940, 5130, 5310, 5605, 5616, 5928, 6136, 6372, 6669, 6726, 6840, 6903, 7020, 7080, 7410, 7670, 7965, 8208, 8496, 8892, 8968, 9204, 9360, 9880, 10089, 10260, 10620, 11115, 11210, 11505, 11856, 12272, 12744, 13338, 13452, 13680, 13806, 14040, 14160, 14573, 14820, 15340, 15930, 16815, 17784, 17936, 18408, 19760, 20178, 20520, 20709, 21240, 22230, 22420, 23010, 25488, 26676, 26904, 27612, 28080, 29146, 29640, 30267, 30680, 31860, 33345, 33630, 34515, 35568, 36816, 40356, 41040, 41418, 42480, 43719, 44460, 44840, 46020, 50445, 53352, 53808, 55224, 58292, 59280, 60534, 61360, 63720, 66690, 67260, 69030, 72865, 80712, 82836, 87438, 88920, 89680, 92040, 100890, 103545, 106704, 110448, 116584, 121068, 127440, 131157, 133380, 134520, 138060, 145730, 151335, 161424, 165672, 174876, 177840, 184080, 201780, 207090, 218595, 233168, 242136, 262314, 266760, 269040, 276120, 291460, 302670, 331344, 349752, 393471, 403560, 414180, 437190, 484272, 524628, 533520, 552240, 582920, 605340, 655785, 699504, 786942, 807120, 828360, 874380, 1049256, 1165840, 1210680, 1311570, 1573884, 1656720, 1748760, 1967355, 2098512, 2421360, 2623140, 3147768, 3497520, 3934710, 5246280, 6295536, 7869420, 10492560, 15738840, 31477680]

約数ペア:

[(1, 31477680), (2, 15738840), (3, 10492560), (4, 7869420), (5, 6295536), (6, 5246280), (8, 3934710), (9, 3497520), (10, 3147768), (12, 2623140), (13, 2421360), (15, 2098512), (16, 1967355), (18, 1748760), (19, 1656720), (20, 1573884), (24, 1311570), (26, 1210680), (27, 1165840), (30, 1049256), (36, 874380), (38, 828360), (39, 807120), (40, 786942), (45, 699504), (48, 655785), (52, 605340), (54, 582920), (57, 552240), (59, 533520), (60, 524628), (65, 484272), (72, 437190), (76, 414180), (78, 403560), (80, 393471), (90, 349752), (95, 331344), (104, 302670), (108, 291460), (114, 276120), (117, 269040), (118, 266760), (120, 262314), (130, 242136), (135, 233168), (144, 218595), (152, 207090), (156, 201780), (171, 184080), (177, 177840), (180, 174876), (190, 165672), (195, 161424), (208, 151335), (216, 145730), (228, 138060), (234, 134520), (236, 133380), (240, 131157), (247, 127440), (260, 121068), (270, 116584), (285, 110448), (295, 106704), (304, 103545), (312, 100890), (342, 92040), (351, 89680), (354, 88920), (360, 87438), (380, 82836), (390, 80712), (432, 72865), (456, 69030), (468, 67260), (472, 66690), (494, 63720), (513, 61360), (520, 60534), (531, 59280), (540, 58292), (570, 55224), (585, 53808), (590, 53352), (624, 50445), (684, 46020), (702, 44840), (708, 44460), (720, 43719), (741, 42480), (760, 41418), (767, 41040), (780, 40356), (855, 36816), (885, 35568), (912, 34515), (936, 33630), (944, 33345), (988, 31860), (1026, 30680), (1040, 30267), (1062, 29640), (1080, 29146), (1121, 28080), (1140, 27612), (1170, 26904), (1180, 26676), (1235, 25488), (1368, 23010), (1404, 22420), (1416, 22230), (1482, 21240), (1520, 20709), (1534, 20520), (1560, 20178), (1593, 19760), (1710, 18408), (1755, 17936), (1770, 17784), (1872, 16815), (1976, 15930), (2052, 15340), (2124, 14820), (2160, 14573), (2223, 14160), (2242, 14040), (2280, 13806), (2301, 13680), (2340, 13452), (2360, 13338), (2470, 12744), (2565, 12272), (2655, 11856), (2736, 11505), (2808, 11210), (2832, 11115), (2964, 10620), (3068, 10260), (3120, 10089), (3186, 9880), (3363, 9360), (3420, 9204), (3510, 8968), (3540, 8892), (3705, 8496), (3835, 8208), (3952, 7965), (4104, 7670), (4248, 7410), (4446, 7080), (4484, 7020), (4560, 6903), (4602, 6840), (4680, 6726), (4720, 6669), (4940, 6372), (5130, 6136), (5310, 5928), (5605, 5616)]