320995328

素因数分解:

$2^{17}\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 671086080

約数和(自身を除く): 350090752

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 512, 632, 992, 1024, 1264, 1984, 2048, 2449, 2528, 3968, 4096, 4898, 5056, 7936, 8192, 9796, 10112, 15872, 16384, 19592, 20224, 31744, 32768, 39184, 40448, 63488, 65536, 78368, 80896, 126976, 131072, 156736, 161792, 253952, 313472, 323584, 507904, 626944, 647168, 1015808, 1253888, 1294336, 2031616, 2507776, 2588672, 4063232, 5015552, 5177344, 10031104, 10354688, 20062208, 40124416, 80248832, 160497664, 320995328]

約数ペア:

[(1, 320995328), (2, 160497664), (4, 80248832), (8, 40124416), (16, 20062208), (31, 10354688), (32, 10031104), (62, 5177344), (64, 5015552), (79, 4063232), (124, 2588672), (128, 2507776), (158, 2031616), (248, 1294336), (256, 1253888), (316, 1015808), (496, 647168), (512, 626944), (632, 507904), (992, 323584), (1024, 313472), (1264, 253952), (1984, 161792), (2048, 156736), (2449, 131072), (2528, 126976), (3968, 80896), (4096, 78368), (4898, 65536), (5056, 63488), (7936, 40448), (8192, 39184), (9796, 32768), (10112, 31744), (15872, 20224), (16384, 19592)]