1720405008

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 280

約数和(自身を含む): 6017620800

約数和(自身を除く): 4297215792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 81, 84, 108, 112, 114, 126, 133, 144, 152, 162, 168, 171, 189, 216, 228, 243, 252, 266, 304, 324, 336, 342, 378, 399, 432, 456, 486, 504, 513, 532, 567, 648, 684, 729, 756, 798, 912, 972, 1008, 1026, 1064, 1109, 1134, 1197, 1296, 1368, 1458, 1512, 1539, 1596, 1701, 1944, 2052, 2128, 2218, 2268, 2394, 2736, 2916, 3024, 3078, 3192, 3327, 3402, 3591, 3888, 4104, 4436, 4536, 4617, 4788, 5103, 5832, 6156, 6384, 6654, 6804, 7182, 7763, 8208, 8872, 9072, 9234, 9576, 9981, 10206, 10773, 11664, 12312, 13308, 13608, 13851, 14364, 15526, 17744, 18468, 19152, 19962, 20412, 21071, 21546, 23289, 24624, 26616, 27216, 27702, 28728, 29943, 31052, 32319, 36936, 39924, 40824, 42142, 43092, 46578, 53232, 55404, 57456, 59886, 62104, 63213, 64638, 69867, 73872, 79848, 81648, 84284, 86184, 89829, 93156, 96957, 110808, 119772, 124208, 126426, 129276, 139734, 147497, 159696, 168568, 172368, 179658, 186312, 189639, 193914, 209601, 221616, 239544, 252852, 258552, 269487, 279468, 294994, 337136, 359316, 372624, 379278, 387828, 419202, 442491, 479088, 505704, 517104, 538974, 558936, 568917, 589988, 628803, 718632, 758556, 775656, 808461, 838404, 884982, 1011408, 1077948, 1117872, 1137834, 1179976, 1257606, 1327473, 1437264, 1517112, 1551312, 1616922, 1676808, 1706751, 1769964, 1886409, 2155896, 2275668, 2359952, 2515212, 2654946, 3034224, 3233844, 3353616, 3413502, 3539928, 3772818, 3982419, 4311792, 4551336, 5030424, 5120253, 5309892, 5659227, 6467688, 6827004, 7079856, 7545636, 7964838, 9102672, 10060848, 10240506, 10619784, 11318454, 11947257, 12935376, 13654008, 15091272, 15360759, 15929676, 20481012, 21239568, 22636908, 23894514, 27308016, 30182544, 30721518, 31859352, 35841771, 40962024, 45273816, 47789028, 61443036, 63718704, 71683542, 81924048, 90547632, 95578056, 107525313, 122886072, 143367084, 191156112, 215050626, 245772144, 286734168, 430101252, 573468336, 860202504, 1720405008]

約数ペア:

[(1, 1720405008), (2, 860202504), (3, 573468336), (4, 430101252), (6, 286734168), (7, 245772144), (8, 215050626), (9, 191156112), (12, 143367084), (14, 122886072), (16, 107525313), (18, 95578056), (19, 90547632), (21, 81924048), (24, 71683542), (27, 63718704), (28, 61443036), (36, 47789028), (38, 45273816), (42, 40962024), (48, 35841771), (54, 31859352), (56, 30721518), (57, 30182544), (63, 27308016), (72, 23894514), (76, 22636908), (81, 21239568), (84, 20481012), (108, 15929676), (112, 15360759), (114, 15091272), (126, 13654008), (133, 12935376), (144, 11947257), (152, 11318454), (162, 10619784), (168, 10240506), (171, 10060848), (189, 9102672), (216, 7964838), (228, 7545636), (243, 7079856), (252, 6827004), (266, 6467688), (304, 5659227), (324, 5309892), (336, 5120253), (342, 5030424), (378, 4551336), (399, 4311792), (432, 3982419), (456, 3772818), (486, 3539928), (504, 3413502), (513, 3353616), (532, 3233844), (567, 3034224), (648, 2654946), (684, 2515212), (729, 2359952), (756, 2275668), (798, 2155896), (912, 1886409), (972, 1769964), (1008, 1706751), (1026, 1676808), (1064, 1616922), (1109, 1551312), (1134, 1517112), (1197, 1437264), (1296, 1327473), (1368, 1257606), (1458, 1179976), (1512, 1137834), (1539, 1117872), (1596, 1077948), (1701, 1011408), (1944, 884982), (2052, 838404), (2128, 808461), (2218, 775656), (2268, 758556), (2394, 718632), (2736, 628803), (2916, 589988), (3024, 568917), (3078, 558936), (3192, 538974), (3327, 517104), (3402, 505704), (3591, 479088), (3888, 442491), (4104, 419202), (4436, 387828), (4536, 379278), (4617, 372624), (4788, 359316), (5103, 337136), (5832, 294994), (6156, 279468), (6384, 269487), (6654, 258552), (6804, 252852), (7182, 239544), (7763, 221616), (8208, 209601), (8872, 193914), (9072, 189639), (9234, 186312), (9576, 179658), (9981, 172368), (10206, 168568), (10773, 159696), (11664, 147497), (12312, 139734), (13308, 129276), (13608, 126426), (13851, 124208), (14364, 119772), (15526, 110808), (17744, 96957), (18468, 93156), (19152, 89829), (19962, 86184), (20412, 84284), (21071, 81648), (21546, 79848), (23289, 73872), (24624, 69867), (26616, 64638), (27216, 63213), (27702, 62104), (28728, 59886), (29943, 57456), (31052, 55404), (32319, 53232), (36936, 46578), (39924, 43092), (40824, 42142)]