320994816

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 160

約数和(自身を含む): 954581760

約数和(自身を除く): 633586944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 76, 96, 102, 114, 128, 136, 152, 192, 204, 228, 256, 272, 304, 323, 384, 408, 456, 512, 544, 608, 646, 647, 768, 816, 912, 969, 1088, 1216, 1292, 1294, 1536, 1632, 1824, 1938, 1941, 2176, 2432, 2584, 2588, 3264, 3648, 3876, 3882, 4352, 4864, 5168, 5176, 6528, 7296, 7752, 7764, 8704, 9728, 10336, 10352, 10999, 12293, 13056, 14592, 15504, 15528, 20672, 20704, 21998, 24586, 26112, 29184, 31008, 31056, 32997, 36879, 41344, 41408, 43996, 49172, 62016, 62112, 65994, 73758, 82688, 82816, 87992, 98344, 124032, 124224, 131988, 147516, 165376, 165632, 175984, 196688, 208981, 248064, 248448, 263976, 295032, 331264, 351968, 393376, 417962, 496128, 496896, 527952, 590064, 626943, 703936, 786752, 835924, 993792, 1055904, 1180128, 1253886, 1407872, 1573504, 1671848, 2111808, 2360256, 2507772, 2815744, 3147008, 3343696, 4223616, 4720512, 5015544, 5631488, 6294016, 6687392, 8447232, 9441024, 10031088, 13374784, 16894464, 18882048, 20062176, 26749568, 40124352, 53499136, 80248704, 106998272, 160497408, 320994816]

約数ペア:

[(1, 320994816), (2, 160497408), (3, 106998272), (4, 80248704), (6, 53499136), (8, 40124352), (12, 26749568), (16, 20062176), (17, 18882048), (19, 16894464), (24, 13374784), (32, 10031088), (34, 9441024), (38, 8447232), (48, 6687392), (51, 6294016), (57, 5631488), (64, 5015544), (68, 4720512), (76, 4223616), (96, 3343696), (102, 3147008), (114, 2815744), (128, 2507772), (136, 2360256), (152, 2111808), (192, 1671848), (204, 1573504), (228, 1407872), (256, 1253886), (272, 1180128), (304, 1055904), (323, 993792), (384, 835924), (408, 786752), (456, 703936), (512, 626943), (544, 590064), (608, 527952), (646, 496896), (647, 496128), (768, 417962), (816, 393376), (912, 351968), (969, 331264), (1088, 295032), (1216, 263976), (1292, 248448), (1294, 248064), (1536, 208981), (1632, 196688), (1824, 175984), (1938, 165632), (1941, 165376), (2176, 147516), (2432, 131988), (2584, 124224), (2588, 124032), (3264, 98344), (3648, 87992), (3876, 82816), (3882, 82688), (4352, 73758), (4864, 65994), (5168, 62112), (5176, 62016), (6528, 49172), (7296, 43996), (7752, 41408), (7764, 41344), (8704, 36879), (9728, 32997), (10336, 31056), (10352, 31008), (10999, 29184), (12293, 26112), (13056, 24586), (14592, 21998), (15504, 20704), (15528, 20672)]