1640464512

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:982

約数の個数: 128

約数和(自身を含む): 4570024320

約数和(自身を除く): 2929559808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 281, 368, 384, 552, 562, 661, 736, 843, 1104, 1124, 1322, 1472, 1686, 1983, 2208, 2248, 2644, 2944, 3372, 3966, 4416, 4496, 5288, 6463, 6744, 7932, 8832, 8992, 10576, 12926, 13488, 15203, 15864, 17984, 19389, 21152, 25852, 26976, 30406, 31728, 35968, 38778, 42304, 45609, 51704, 53952, 60812, 63456, 77556, 84608, 91218, 103408, 107904, 121624, 126912, 155112, 182436, 185741, 206816, 243248, 253824, 310224, 364872, 371482, 413632, 486496, 557223, 620448, 729744, 742964, 827264, 972992, 1114446, 1240896, 1459488, 1485928, 1945984, 2228892, 2481792, 2918976, 2971856, 4272043, 4457784, 5837952, 5943712, 8544086, 8915568, 11887424, 12816129, 17088172, 17831136, 23774848, 25632258, 34176344, 35662272, 51264516, 68352688, 71324544, 102529032, 136705376, 205058064, 273410752, 410116128, 546821504, 820232256, 1640464512]

約数ペア:

[(1, 1640464512), (2, 820232256), (3, 546821504), (4, 410116128), (6, 273410752), (8, 205058064), (12, 136705376), (16, 102529032), (23, 71324544), (24, 68352688), (32, 51264516), (46, 35662272), (48, 34176344), (64, 25632258), (69, 23774848), (92, 17831136), (96, 17088172), (128, 12816129), (138, 11887424), (184, 8915568), (192, 8544086), (276, 5943712), (281, 5837952), (368, 4457784), (384, 4272043), (552, 2971856), (562, 2918976), (661, 2481792), (736, 2228892), (843, 1945984), (1104, 1485928), (1124, 1459488), (1322, 1240896), (1472, 1114446), (1686, 972992), (1983, 827264), (2208, 742964), (2248, 729744), (2644, 620448), (2944, 557223), (3372, 486496), (3966, 413632), (4416, 371482), (4496, 364872), (5288, 310224), (6463, 253824), (6744, 243248), (7932, 206816), (8832, 185741), (8992, 182436), (10576, 155112), (12926, 126912), (13488, 121624), (15203, 107904), (15864, 103408), (17984, 91218), (19389, 84608), (21152, 77556), (25852, 63456), (26976, 60812), (30406, 53952), (31728, 51704), (35968, 45609), (38778, 42304)]